Home / 5,425.10-8,135.08-2,503.70

Finding the Fourth Proportional to 5,425.10, 8,135.08 and 2,503.70

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Solution

The fourth proportional to 5,425.10, 8,135.08 and 2,503.70 is: 3,754.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.10 : 8,135.08 = 2,503.70 : x
  2. Step 2: Convert to fraction form
    5,425.10/8,135.08 = 2,503.70/x
  3. Step 3: Cross multiply
    5,425.10x = 8,135.08 × 2,503.70
  4. Step 4: Simplify right side
    5,425.10x = 20,367,799.80
  5. Step 5: Solve for x
    x = 20,367,799.80/5,425.10
  6. Step 6: Final answer
    x = 3,754.36

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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.