Home / 4,939.52-7,402.67-2,715.01

Finding the Fourth Proportional to 4,939.52, 7,402.67 and 2,715.01

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Solution

The fourth proportional to 4,939.52, 7,402.67 and 2,715.01 is: 4,068.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.52 : 7,402.67 = 2,715.01 : x
  2. Step 2: Convert to fraction form
    4,939.52/7,402.67 = 2,715.01/x
  3. Step 3: Cross multiply
    4,939.52x = 7,402.67 × 2,715.01
  4. Step 4: Simplify right side
    4,939.52x = 20,098,323.08
  5. Step 5: Solve for x
    x = 20,098,323.08/4,939.52
  6. Step 6: Final answer
    x = 4,068.88

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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.