Home / 5,125.26-7,685.92-1,614.52

Finding the Fourth Proportional to 5,125.26, 7,685.92 and 1,614.52

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Solution

The fourth proportional to 5,125.26, 7,685.92 and 1,614.52 is: 2,421.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.26 : 7,685.92 = 1,614.52 : x
  2. Step 2: Convert to fraction form
    5,125.26/7,685.92 = 1,614.52/x
  3. Step 3: Cross multiply
    5,125.26x = 7,685.92 × 1,614.52
  4. Step 4: Simplify right side
    5,125.26x = 12,409,071.56
  5. Step 5: Solve for x
    x = 12,409,071.56/5,125.26
  6. Step 6: Final answer
    x = 2,421.16

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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.