Home / 5,129.84-7,686.66-2,932.04

Finding the Fourth Proportional to 5,129.84, 7,686.66 and 2,932.04

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Solution

The fourth proportional to 5,129.84, 7,686.66 and 2,932.04 is: 4,393.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.84 : 7,686.66 = 2,932.04 : x
  2. Step 2: Convert to fraction form
    5,129.84/7,686.66 = 2,932.04/x
  3. Step 3: Cross multiply
    5,129.84x = 7,686.66 × 2,932.04
  4. Step 4: Simplify right side
    5,129.84x = 22,537,594.59
  5. Step 5: Solve for x
    x = 22,537,594.59/5,129.84
  6. Step 6: Final answer
    x = 4,393.43

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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.