Home / 5,071.61-7,607.43-1,373.85

Finding the Fourth Proportional to 5,071.61, 7,607.43 and 1,373.85

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Solution

The fourth proportional to 5,071.61, 7,607.43 and 1,373.85 is: 2,060.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.61 : 7,607.43 = 1,373.85 : x
  2. Step 2: Convert to fraction form
    5,071.61/7,607.43 = 1,373.85/x
  3. Step 3: Cross multiply
    5,071.61x = 7,607.43 × 1,373.85
  4. Step 4: Simplify right side
    5,071.61x = 10,451,467.71
  5. Step 5: Solve for x
    x = 10,451,467.71/5,071.61
  6. Step 6: Final answer
    x = 2,060.78

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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.