Home / 8,742.59-13,114.17-2,899.02

Finding the Fourth Proportional to 8,742.59, 13,114.17 and 2,899.02

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Solution

The fourth proportional to 8,742.59, 13,114.17 and 2,899.02 is: 4,348.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.59 : 13,114.17 = 2,899.02 : x
  2. Step 2: Convert to fraction form
    8,742.59/13,114.17 = 2,899.02/x
  3. Step 3: Cross multiply
    8,742.59x = 13,114.17 × 2,899.02
  4. Step 4: Simplify right side
    8,742.59x = 38,018,241.11
  5. Step 5: Solve for x
    x = 38,018,241.11/8,742.59
  6. Step 6: Final answer
    x = 4,348.63

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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.