Home / 4,654.32-6,972.05-2,151.95

Finding the Fourth Proportional to 4,654.32, 6,972.05 and 2,151.95

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Solution

The fourth proportional to 4,654.32, 6,972.05 and 2,151.95 is: 3,223.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,654.32 : 6,972.05 = 2,151.95 : x
  2. Step 2: Convert to fraction form
    4,654.32/6,972.05 = 2,151.95/x
  3. Step 3: Cross multiply
    4,654.32x = 6,972.05 × 2,151.95
  4. Step 4: Simplify right side
    4,654.32x = 15,003,503.00
  5. Step 5: Solve for x
    x = 15,003,503.00/4,654.32
  6. Step 6: Final answer
    x = 3,223.56

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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.