Home / 7,132.73-9,845.87-6,385.35

Finding the Fourth Proportional to 7,132.73, 9,845.87 and 6,385.35

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Solution

The fourth proportional to 7,132.73, 9,845.87 and 6,385.35 is: 8,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.73 : 9,845.87 = 6,385.35 : x
  2. Step 2: Convert to fraction form
    7,132.73/9,845.87 = 6,385.35/x
  3. Step 3: Cross multiply
    7,132.73x = 9,845.87 × 6,385.35
  4. Step 4: Simplify right side
    7,132.73x = 62,869,326.00
  5. Step 5: Solve for x
    x = 62,869,326.00/7,132.73
  6. Step 6: Final answer
    x = 8,814.20

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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.