Home / 6,402.24-8,834.97-3,607.74

Finding the Fourth Proportional to 6,402.24, 8,834.97 and 3,607.74

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Solution

The fourth proportional to 6,402.24, 8,834.97 and 3,607.74 is: 4,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402.24 : 8,834.97 = 3,607.74 : x
  2. Step 2: Convert to fraction form
    6,402.24/8,834.97 = 3,607.74/x
  3. Step 3: Cross multiply
    6,402.24x = 8,834.97 × 3,607.74
  4. Step 4: Simplify right side
    6,402.24x = 31,874,288.20
  5. Step 5: Solve for x
    x = 31,874,288.20/6,402.24
  6. Step 6: Final answer
    x = 4,978.62

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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.