Home / 9,114.35-13,672.87-2,874.92

Finding the Fourth Proportional to 9,114.35, 13,672.87 and 2,874.92

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Solution

The fourth proportional to 9,114.35, 13,672.87 and 2,874.92 is: 4,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.35 : 13,672.87 = 2,874.92 : x
  2. Step 2: Convert to fraction form
    9,114.35/13,672.87 = 2,874.92/x
  3. Step 3: Cross multiply
    9,114.35x = 13,672.87 × 2,874.92
  4. Step 4: Simplify right side
    9,114.35x = 39,308,331.87
  5. Step 5: Solve for x
    x = 39,308,331.87/9,114.35
  6. Step 6: Final answer
    x = 4,312.80

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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.