Home / 5,342.50-8,018.72-2,711.87

Finding the Fourth Proportional to 5,342.50, 8,018.72 and 2,711.87

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Solution

The fourth proportional to 5,342.50, 8,018.72 and 2,711.87 is: 4,070.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.50 : 8,018.72 = 2,711.87 : x
  2. Step 2: Convert to fraction form
    5,342.50/8,018.72 = 2,711.87/x
  3. Step 3: Cross multiply
    5,342.50x = 8,018.72 × 2,711.87
  4. Step 4: Simplify right side
    5,342.50x = 21,745,726.21
  5. Step 5: Solve for x
    x = 21,745,726.21/5,342.50
  6. Step 6: Final answer
    x = 4,070.33

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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.