Home / 6,909.17-9,534.33-3,924.62

Finding the Fourth Proportional to 6,909.17, 9,534.33 and 3,924.62

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Solution

The fourth proportional to 6,909.17, 9,534.33 and 3,924.62 is: 5,415.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.17 : 9,534.33 = 3,924.62 : x
  2. Step 2: Convert to fraction form
    6,909.17/9,534.33 = 3,924.62/x
  3. Step 3: Cross multiply
    6,909.17x = 9,534.33 × 3,924.62
  4. Step 4: Simplify right side
    6,909.17x = 37,418,622.20
  5. Step 5: Solve for x
    x = 37,418,622.20/6,909.17
  6. Step 6: Final answer
    x = 5,415.79

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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.