Home / 5,427.65-8,138.64-2,503.46

Finding the Fourth Proportional to 5,427.65, 8,138.64 and 2,503.46

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Solution

The fourth proportional to 5,427.65, 8,138.64 and 2,503.46 is: 3,753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.65 : 8,138.64 = 2,503.46 : x
  2. Step 2: Convert to fraction form
    5,427.65/8,138.64 = 2,503.46/x
  3. Step 3: Cross multiply
    5,427.65x = 8,138.64 × 2,503.46
  4. Step 4: Simplify right side
    5,427.65x = 20,374,759.69
  5. Step 5: Solve for x
    x = 20,374,759.69/5,427.65
  6. Step 6: Final answer
    x = 3,753.88

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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.