Home / 9,114.31-13,672.28-2,540.62

Finding the Fourth Proportional to 9,114.31, 13,672.28 and 2,540.62

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Solution

The fourth proportional to 9,114.31, 13,672.28 and 2,540.62 is: 3,811.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.31 : 13,672.28 = 2,540.62 : x
  2. Step 2: Convert to fraction form
    9,114.31/13,672.28 = 2,540.62/x
  3. Step 3: Cross multiply
    9,114.31x = 13,672.28 × 2,540.62
  4. Step 4: Simplify right side
    9,114.31x = 34,736,068.01
  5. Step 5: Solve for x
    x = 34,736,068.01/9,114.31
  6. Step 6: Final answer
    x = 3,811.16

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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.