Home / 4,932.66-7,397.88-1,421.91

Finding the Fourth Proportional to 4,932.66, 7,397.88 and 1,421.91

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Solution

The fourth proportional to 4,932.66, 7,397.88 and 1,421.91 is: 2,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.66 : 7,397.88 = 1,421.91 : x
  2. Step 2: Convert to fraction form
    4,932.66/7,397.88 = 1,421.91/x
  3. Step 3: Cross multiply
    4,932.66x = 7,397.88 × 1,421.91
  4. Step 4: Simplify right side
    4,932.66x = 10,519,119.55
  5. Step 5: Solve for x
    x = 10,519,119.55/4,932.66
  6. Step 6: Final answer
    x = 2,132.55

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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.