Home / 8,648.47-12,943.29-5,530.61

Finding the Fourth Proportional to 8,648.47, 12,943.29 and 5,530.61

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Solution

The fourth proportional to 8,648.47, 12,943.29 and 5,530.61 is: 8,277.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,648.47 : 12,943.29 = 5,530.61 : x
  2. Step 2: Convert to fraction form
    8,648.47/12,943.29 = 5,530.61/x
  3. Step 3: Cross multiply
    8,648.47x = 12,943.29 × 5,530.61
  4. Step 4: Simplify right side
    8,648.47x = 71,584,342.20
  5. Step 5: Solve for x
    x = 71,584,342.20/8,648.47
  6. Step 6: Final answer
    x = 8,277.11

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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.