Home / 8,945.91-13,358.58-7,305.66

Finding the Fourth Proportional to 8,945.91, 13,358.58 and 7,305.66

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Solution

The fourth proportional to 8,945.91, 13,358.58 and 7,305.66 is: 10,909.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.91 : 13,358.58 = 7,305.66 : x
  2. Step 2: Convert to fraction form
    8,945.91/13,358.58 = 7,305.66/x
  3. Step 3: Cross multiply
    8,945.91x = 13,358.58 × 7,305.66
  4. Step 4: Simplify right side
    8,945.91x = 97,593,243.56
  5. Step 5: Solve for x
    x = 97,593,243.56/8,945.91
  6. Step 6: Final answer
    x = 10,909.26

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.