Home / 8,505.04-12,753.92-3,307.28

Finding the Fourth Proportional to 8,505.04, 12,753.92 and 3,307.28

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Solution

The fourth proportional to 8,505.04, 12,753.92 and 3,307.28 is: 4,959.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.04 : 12,753.92 = 3,307.28 : x
  2. Step 2: Convert to fraction form
    8,505.04/12,753.92 = 3,307.28/x
  3. Step 3: Cross multiply
    8,505.04x = 12,753.92 × 3,307.28
  4. Step 4: Simplify right side
    8,505.04x = 42,180,784.54
  5. Step 5: Solve for x
    x = 42,180,784.54/8,505.04
  6. Step 6: Final answer
    x = 4,959.50

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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.