Home / 5,434.74-8,151.24-1,539.42

Finding the Fourth Proportional to 5,434.74, 8,151.24 and 1,539.42

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Solution

The fourth proportional to 5,434.74, 8,151.24 and 1,539.42 is: 2,308.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.74 : 8,151.24 = 1,539.42 : x
  2. Step 2: Convert to fraction form
    5,434.74/8,151.24 = 1,539.42/x
  3. Step 3: Cross multiply
    5,434.74x = 8,151.24 × 1,539.42
  4. Step 4: Simplify right side
    5,434.74x = 12,548,181.88
  5. Step 5: Solve for x
    x = 12,548,181.88/5,434.74
  6. Step 6: Final answer
    x = 2,308.88

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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.