Home / 6,901.47-9,520.85-4,066.91

Finding the Fourth Proportional to 6,901.47, 9,520.85 and 4,066.91

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Solution

The fourth proportional to 6,901.47, 9,520.85 and 4,066.91 is: 5,610.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,901.47 : 9,520.85 = 4,066.91 : x
  2. Step 2: Convert to fraction form
    6,901.47/9,520.85 = 4,066.91/x
  3. Step 3: Cross multiply
    6,901.47x = 9,520.85 × 4,066.91
  4. Step 4: Simplify right side
    6,901.47x = 38,720,429.91
  5. Step 5: Solve for x
    x = 38,720,429.91/6,901.47
  6. Step 6: Final answer
    x = 5,610.46

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Half 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.