Home / 5,385.72-8,074.26-3,302.52

Finding the Fourth Proportional to 5,385.72, 8,074.26 and 3,302.52

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Solution

The fourth proportional to 5,385.72, 8,074.26 and 3,302.52 is: 4,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.72 : 8,074.26 = 3,302.52 : x
  2. Step 2: Convert to fraction form
    5,385.72/8,074.26 = 3,302.52/x
  3. Step 3: Cross multiply
    5,385.72x = 8,074.26 × 3,302.52
  4. Step 4: Simplify right side
    5,385.72x = 26,665,405.14
  5. Step 5: Solve for x
    x = 26,665,405.14/5,385.72
  6. Step 6: Final answer
    x = 4,951.13

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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.