Home / 8,857.60-12,233.28-6,020.80

Finding the Fourth Proportional to 8,857.60, 12,233.28 and 6,020.80

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Solution

The fourth proportional to 8,857.60, 12,233.28 and 6,020.80 is: 8,315.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.60 : 12,233.28 = 6,020.80 : x
  2. Step 2: Convert to fraction form
    8,857.60/12,233.28 = 6,020.80/x
  3. Step 3: Cross multiply
    8,857.60x = 12,233.28 × 6,020.80
  4. Step 4: Simplify right side
    8,857.60x = 73,654,132.22
  5. Step 5: Solve for x
    x = 73,654,132.22/8,857.60
  6. Step 6: Final answer
    x = 8,315.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.