Home / 8,909.09-12,294.66-5,553.26

Finding the Fourth Proportional to 8,909.09, 12,294.66 and 5,553.26

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Solution

The fourth proportional to 8,909.09, 12,294.66 and 5,553.26 is: 7,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.09 : 12,294.66 = 5,553.26 : x
  2. Step 2: Convert to fraction form
    8,909.09/12,294.66 = 5,553.26/x
  3. Step 3: Cross multiply
    8,909.09x = 12,294.66 × 5,553.26
  4. Step 4: Simplify right side
    8,909.09x = 68,275,443.59
  5. Step 5: Solve for x
    x = 68,275,443.59/8,909.09
  6. Step 6: Final answer
    x = 7,663.57

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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.