Home / 5,430.27-8,150.88-3,669.75

Finding the Fourth Proportional to 5,430.27, 8,150.88 and 3,669.75

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Solution

The fourth proportional to 5,430.27, 8,150.88 and 3,669.75 is: 5,508.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.27 : 8,150.88 = 3,669.75 : x
  2. Step 2: Convert to fraction form
    5,430.27/8,150.88 = 3,669.75/x
  3. Step 3: Cross multiply
    5,430.27x = 8,150.88 × 3,669.75
  4. Step 4: Simplify right side
    5,430.27x = 29,911,691.88
  5. Step 5: Solve for x
    x = 29,911,691.88/5,430.27
  6. Step 6: Final answer
    x = 5,508.32

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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.