Home / 8,086.15-11,159.54-4,549.15

Finding the Fourth Proportional to 8,086.15, 11,159.54 and 4,549.15

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Solution

The fourth proportional to 8,086.15, 11,159.54 and 4,549.15 is: 6,278.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086.15 : 11,159.54 = 4,549.15 : x
  2. Step 2: Convert to fraction form
    8,086.15/11,159.54 = 4,549.15/x
  3. Step 3: Cross multiply
    8,086.15x = 11,159.54 × 4,549.15
  4. Step 4: Simplify right side
    8,086.15x = 50,766,398.65
  5. Step 5: Solve for x
    x = 50,766,398.65/8,086.15
  6. Step 6: Final answer
    x = 6,278.19

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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.