Home / 8,857.82-13,294.97-4,478.36

Finding the Fourth Proportional to 8,857.82, 13,294.97 and 4,478.36

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Solution

The fourth proportional to 8,857.82, 13,294.97 and 4,478.36 is: 6,721.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.82 : 13,294.97 = 4,478.36 : x
  2. Step 2: Convert to fraction form
    8,857.82/13,294.97 = 4,478.36/x
  3. Step 3: Cross multiply
    8,857.82x = 13,294.97 × 4,478.36
  4. Step 4: Simplify right side
    8,857.82x = 59,539,589.78
  5. Step 5: Solve for x
    x = 59,539,589.78/8,857.82
  6. Step 6: Final answer
    x = 6,721.70

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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.