Home / 5,243.93-7,236.96-2,886.21

Finding the Fourth Proportional to 5,243.93, 7,236.96 and 2,886.21

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Solution

The fourth proportional to 5,243.93, 7,236.96 and 2,886.21 is: 3,983.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.93 : 7,236.96 = 2,886.21 : x
  2. Step 2: Convert to fraction form
    5,243.93/7,236.96 = 2,886.21/x
  3. Step 3: Cross multiply
    5,243.93x = 7,236.96 × 2,886.21
  4. Step 4: Simplify right side
    5,243.93x = 20,887,386.32
  5. Step 5: Solve for x
    x = 20,887,386.32/5,243.93
  6. Step 6: Final answer
    x = 3,983.16

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Double scale
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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.