Home / 5,614.44-8,421.78-2,689.53

Finding the Fourth Proportional to 5,614.44, 8,421.78 and 2,689.53

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Solution

The fourth proportional to 5,614.44, 8,421.78 and 2,689.53 is: 4,034.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.44 : 8,421.78 = 2,689.53 : x
  2. Step 2: Convert to fraction form
    5,614.44/8,421.78 = 2,689.53/x
  3. Step 3: Cross multiply
    5,614.44x = 8,421.78 × 2,689.53
  4. Step 4: Simplify right side
    5,614.44x = 22,650,629.96
  5. Step 5: Solve for x
    x = 22,650,629.96/5,614.44
  6. Step 6: Final answer
    x = 4,034.35

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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.