Home / 8,725.97-13,088.96-6,140.45

Finding the Fourth Proportional to 8,725.97, 13,088.96 and 6,140.45

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Solution

The fourth proportional to 8,725.97, 13,088.96 and 6,140.45 is: 9,210.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.97 : 13,088.96 = 6,140.45 : x
  2. Step 2: Convert to fraction form
    8,725.97/13,088.96 = 6,140.45/x
  3. Step 3: Cross multiply
    8,725.97x = 13,088.96 × 6,140.45
  4. Step 4: Simplify right side
    8,725.97x = 80,372,104.43
  5. Step 5: Solve for x
    x = 80,372,104.43/8,725.97
  6. Step 6: Final answer
    x = 9,210.68

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.