Home / 8,881.27-13,321.91-6,107.20

Finding the Fourth Proportional to 8,881.27, 13,321.91 and 6,107.20

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Solution

The fourth proportional to 8,881.27, 13,321.91 and 6,107.20 is: 9,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.27 : 13,321.91 = 6,107.20 : x
  2. Step 2: Convert to fraction form
    8,881.27/13,321.91 = 6,107.20/x
  3. Step 3: Cross multiply
    8,881.27x = 13,321.91 × 6,107.20
  4. Step 4: Simplify right side
    8,881.27x = 81,359,507.77
  5. Step 5: Solve for x
    x = 81,359,507.77/8,881.27
  6. Step 6: Final answer
    x = 9,160.80

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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.