Home / 10,877.38-16,312.50-3,480.08

Finding the Fourth Proportional to 10,877.38, 16,312.50 and 3,480.08

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Solution

The fourth proportional to 10,877.38, 16,312.50 and 3,480.08 is: 5,218.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.38 : 16,312.50 = 3,480.08 : x
  2. Step 2: Convert to fraction form
    10,877.38/16,312.50 = 3,480.08/x
  3. Step 3: Cross multiply
    10,877.38x = 16,312.50 × 3,480.08
  4. Step 4: Simplify right side
    10,877.38x = 56,768,723.44
  5. Step 5: Solve for x
    x = 56,768,723.44/10,877.38
  6. Step 6: Final answer
    x = 5,218.97

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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.