Home / 8,553.18-12,829.76-4,649.38

Finding the Fourth Proportional to 8,553.18, 12,829.76 and 4,649.38

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Solution

The fourth proportional to 8,553.18, 12,829.76 and 4,649.38 is: 6,974.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.18 : 12,829.76 = 4,649.38 : x
  2. Step 2: Convert to fraction form
    8,553.18/12,829.76 = 4,649.38/x
  3. Step 3: Cross multiply
    8,553.18x = 12,829.76 × 4,649.38
  4. Step 4: Simplify right side
    8,553.18x = 59,650,429.55
  5. Step 5: Solve for x
    x = 59,650,429.55/8,553.18
  6. Step 6: Final answer
    x = 6,974.06

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1.5x scale

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.