Home / 5,527.64-8,278.70-3,331.55

Finding the Fourth Proportional to 5,527.64, 8,278.70 and 3,331.55

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Solution

The fourth proportional to 5,527.64, 8,278.70 and 3,331.55 is: 4,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.64 : 8,278.70 = 3,331.55 : x
  2. Step 2: Convert to fraction form
    5,527.64/8,278.70 = 3,331.55/x
  3. Step 3: Cross multiply
    5,527.64x = 8,278.70 × 3,331.55
  4. Step 4: Simplify right side
    5,527.64x = 27,580,844.93
  5. Step 5: Solve for x
    x = 27,580,844.93/5,527.64
  6. Step 6: Final answer
    x = 4,989.63

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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.