Home / 5,614.11-8,421.30-1,454.15

Finding the Fourth Proportional to 5,614.11, 8,421.30 and 1,454.15

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Solution

The fourth proportional to 5,614.11, 8,421.30 and 1,454.15 is: 2,181.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.11 : 8,421.30 = 1,454.15 : x
  2. Step 2: Convert to fraction form
    5,614.11/8,421.30 = 1,454.15/x
  3. Step 3: Cross multiply
    5,614.11x = 8,421.30 × 1,454.15
  4. Step 4: Simplify right side
    5,614.11x = 12,245,854.45
  5. Step 5: Solve for x
    x = 12,245,854.45/5,614.11
  6. Step 6: Final answer
    x = 2,181.26

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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.