Home / 8,972.46-13,460.49-3,127.50

Finding the Fourth Proportional to 8,972.46, 13,460.49 and 3,127.50

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Solution

The fourth proportional to 8,972.46, 13,460.49 and 3,127.50 is: 4,691.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.46 : 13,460.49 = 3,127.50 : x
  2. Step 2: Convert to fraction form
    8,972.46/13,460.49 = 3,127.50/x
  3. Step 3: Cross multiply
    8,972.46x = 13,460.49 × 3,127.50
  4. Step 4: Simplify right side
    8,972.46x = 42,097,682.48
  5. Step 5: Solve for x
    x = 42,097,682.48/8,972.46
  6. Step 6: Final answer
    x = 4,691.88

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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.