Home / 5,549.79-7,659.78-3,562.86

Finding the Fourth Proportional to 5,549.79, 7,659.78 and 3,562.86

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Solution

The fourth proportional to 5,549.79, 7,659.78 and 3,562.86 is: 4,917.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.79 : 7,659.78 = 3,562.86 : x
  2. Step 2: Convert to fraction form
    5,549.79/7,659.78 = 3,562.86/x
  3. Step 3: Cross multiply
    5,549.79x = 7,659.78 × 3,562.86
  4. Step 4: Simplify right side
    5,549.79x = 27,290,723.77
  5. Step 5: Solve for x
    x = 27,290,723.77/5,549.79
  6. Step 6: Final answer
    x = 4,917.43

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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.