Home / 5,422.68-8,134.56-1,527.08

Finding the Fourth Proportional to 5,422.68, 8,134.56 and 1,527.08

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Solution

The fourth proportional to 5,422.68, 8,134.56 and 1,527.08 is: 2,290.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.68 : 8,134.56 = 1,527.08 : x
  2. Step 2: Convert to fraction form
    5,422.68/8,134.56 = 1,527.08/x
  3. Step 3: Cross multiply
    5,422.68x = 8,134.56 × 1,527.08
  4. Step 4: Simplify right side
    5,422.68x = 12,422,123.88
  5. Step 5: Solve for x
    x = 12,422,123.88/5,422.68
  6. Step 6: Final answer
    x = 2,290.77

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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.