Home / 4,129.64-6,191.58-1,531.88

Finding the Fourth Proportional to 4,129.64, 6,191.58 and 1,531.88

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Solution

The fourth proportional to 4,129.64, 6,191.58 and 1,531.88 is: 2,296.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.64 : 6,191.58 = 1,531.88 : x
  2. Step 2: Convert to fraction form
    4,129.64/6,191.58 = 1,531.88/x
  3. Step 3: Cross multiply
    4,129.64x = 6,191.58 × 1,531.88
  4. Step 4: Simplify right side
    4,129.64x = 9,484,757.57
  5. Step 5: Solve for x
    x = 9,484,757.57/4,129.64
  6. Step 6: Final answer
    x = 2,296.75

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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.