Home / 8,510.52-12,752.43-5,383.92

Finding the Fourth Proportional to 8,510.52, 12,752.43 and 5,383.92

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Solution

The fourth proportional to 8,510.52, 12,752.43 and 5,383.92 is: 8,067.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.52 : 12,752.43 = 5,383.92 : x
  2. Step 2: Convert to fraction form
    8,510.52/12,752.43 = 5,383.92/x
  3. Step 3: Cross multiply
    8,510.52x = 12,752.43 × 5,383.92
  4. Step 4: Simplify right side
    8,510.52x = 68,657,999.16
  5. Step 5: Solve for x
    x = 68,657,999.16/8,510.52
  6. Step 6: Final answer
    x = 8,067.43

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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.