Home / 5,423.52-8,135.70-1,527.96

Finding the Fourth Proportional to 5,423.52, 8,135.70 and 1,527.96

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Solution

The fourth proportional to 5,423.52, 8,135.70 and 1,527.96 is: 2,292.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.52 : 8,135.70 = 1,527.96 : x
  2. Step 2: Convert to fraction form
    5,423.52/8,135.70 = 1,527.96/x
  3. Step 3: Cross multiply
    5,423.52x = 8,135.70 × 1,527.96
  4. Step 4: Simplify right side
    5,423.52x = 12,431,024.17
  5. Step 5: Solve for x
    x = 12,431,024.17/5,423.52
  6. Step 6: Final answer
    x = 2,292.06

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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.