Home / 5,560.32-8,337.78-1,663.68

Finding the Fourth Proportional to 5,560.32, 8,337.78 and 1,663.68

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Solution

The fourth proportional to 5,560.32, 8,337.78 and 1,663.68 is: 2,494.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,560.32 : 8,337.78 = 1,663.68 : x
  2. Step 2: Convert to fraction form
    5,560.32/8,337.78 = 1,663.68/x
  3. Step 3: Cross multiply
    5,560.32x = 8,337.78 × 1,663.68
  4. Step 4: Simplify right side
    5,560.32x = 13,871,397.83
  5. Step 5: Solve for x
    x = 13,871,397.83/5,560.32
  6. Step 6: Final answer
    x = 2,494.71

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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.