Home / 5,549.20-7,657.16-3,159.12

Finding the Fourth Proportional to 5,549.20, 7,657.16 and 3,159.12

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Solution

The fourth proportional to 5,549.20, 7,657.16 and 3,159.12 is: 4,359.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.20 : 7,657.16 = 3,159.12 : x
  2. Step 2: Convert to fraction form
    5,549.20/7,657.16 = 3,159.12/x
  3. Step 3: Cross multiply
    5,549.20x = 7,657.16 × 3,159.12
  4. Step 4: Simplify right side
    5,549.20x = 24,189,887.30
  5. Step 5: Solve for x
    x = 24,189,887.30/5,549.20
  6. Step 6: Final answer
    x = 4,359.17

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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.