Home / 5,422.01-8,132.29-1,526.72

Finding the Fourth Proportional to 5,422.01, 8,132.29 and 1,526.72

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Solution

The fourth proportional to 5,422.01, 8,132.29 and 1,526.72 is: 2,289.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.01 : 8,132.29 = 1,526.72 : x
  2. Step 2: Convert to fraction form
    5,422.01/8,132.29 = 1,526.72/x
  3. Step 3: Cross multiply
    5,422.01x = 8,132.29 × 1,526.72
  4. Step 4: Simplify right side
    5,422.01x = 12,415,685.31
  5. Step 5: Solve for x
    x = 12,415,685.31/5,422.01
  6. Step 6: Final answer
    x = 2,289.87

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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.