Home / 8,463.44-11,680.56-5,319.20

Finding the Fourth Proportional to 8,463.44, 11,680.56 and 5,319.20

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Solution

The fourth proportional to 8,463.44, 11,680.56 and 5,319.20 is: 7,341.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.44 : 11,680.56 = 5,319.20 : x
  2. Step 2: Convert to fraction form
    8,463.44/11,680.56 = 5,319.20/x
  3. Step 3: Cross multiply
    8,463.44x = 11,680.56 × 5,319.20
  4. Step 4: Simplify right side
    8,463.44x = 62,131,234.75
  5. Step 5: Solve for x
    x = 62,131,234.75/8,463.44
  6. Step 6: Final answer
    x = 7,341.13

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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.