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Finding the Fourth Proportional to 6,804.77, 9,383.45 and 5,386.19

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Solution

The fourth proportional to 6,804.77, 9,383.45 and 5,386.19 is: 7,427.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,804.77 : 9,383.45 = 5,386.19 : x
  2. Step 2: Convert to fraction form
    6,804.77/9,383.45 = 5,386.19/x
  3. Step 3: Cross multiply
    6,804.77x = 9,383.45 × 5,386.19
  4. Step 4: Simplify right side
    6,804.77x = 50,540,970.71
  5. Step 5: Solve for x
    x = 50,540,970.71/6,804.77
  6. Step 6: Final answer
    x = 7,427.29

Related Problems

Find fourth proportional to 3,402.38, 4,691.72 and 2,693.09
Half scale
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Double scale
Find fourth proportional to 6,805.77, 9,384.82 and 5,387.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.