Home / 6,806.48-9,396.68-4,118.20

Finding the Fourth Proportional to 6,806.48, 9,396.68 and 4,118.20

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Solution

The fourth proportional to 6,806.48, 9,396.68 and 4,118.20 is: 5,685.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,806.48 : 9,396.68 = 4,118.20 : x
  2. Step 2: Convert to fraction form
    6,806.48/9,396.68 = 4,118.20/x
  3. Step 3: Cross multiply
    6,806.48x = 9,396.68 × 4,118.20
  4. Step 4: Simplify right side
    6,806.48x = 38,697,407.58
  5. Step 5: Solve for x
    x = 38,697,407.58/6,806.48
  6. Step 6: Final answer
    x = 5,685.38

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Half scale
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Double scale
Find fourth proportional to 6,807.48, 9,398.06 and 4,119.20
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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.