Home / 5,154.05-7,731.35-1,456.55

Finding the Fourth Proportional to 5,154.05, 7,731.35 and 1,456.55

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Solution

The fourth proportional to 5,154.05, 7,731.35 and 1,456.55 is: 2,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.05 : 7,731.35 = 1,456.55 : x
  2. Step 2: Convert to fraction form
    5,154.05/7,731.35 = 1,456.55/x
  3. Step 3: Cross multiply
    5,154.05x = 7,731.35 × 1,456.55
  4. Step 4: Simplify right side
    5,154.05x = 11,261,090.56
  5. Step 5: Solve for x
    x = 11,261,090.56/5,154.05
  6. Step 6: Final answer
    x = 2,184.90

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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.