Home / 8,071.97-11,140.25-4,715.62

Finding the Fourth Proportional to 8,071.97, 11,140.25 and 4,715.62

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Solution

The fourth proportional to 8,071.97, 11,140.25 and 4,715.62 is: 6,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.97 : 11,140.25 = 4,715.62 : x
  2. Step 2: Convert to fraction form
    8,071.97/11,140.25 = 4,715.62/x
  3. Step 3: Cross multiply
    8,071.97x = 11,140.25 × 4,715.62
  4. Step 4: Simplify right side
    8,071.97x = 52,533,134.28
  5. Step 5: Solve for x
    x = 52,533,134.28/8,071.97
  6. Step 6: Final answer
    x = 6,508.10

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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.