Home / 6,909.13-9,534.60-3,765.32

Finding the Fourth Proportional to 6,909.13, 9,534.60 and 3,765.32

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Solution

The fourth proportional to 6,909.13, 9,534.60 and 3,765.32 is: 5,196.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.13 : 9,534.60 = 3,765.32 : x
  2. Step 2: Convert to fraction form
    6,909.13/9,534.60 = 3,765.32/x
  3. Step 3: Cross multiply
    6,909.13x = 9,534.60 × 3,765.32
  4. Step 4: Simplify right side
    6,909.13x = 35,900,753.57
  5. Step 5: Solve for x
    x = 35,900,753.57/6,909.13
  6. Step 6: Final answer
    x = 5,196.14

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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.