Home / 5,423.59-8,138.46-2,501.89

Finding the Fourth Proportional to 5,423.59, 8,138.46 and 2,501.89

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Solution

The fourth proportional to 5,423.59, 8,138.46 and 2,501.89 is: 3,754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.59 : 8,138.46 = 2,501.89 : x
  2. Step 2: Convert to fraction form
    5,423.59/8,138.46 = 2,501.89/x
  3. Step 3: Cross multiply
    5,423.59x = 8,138.46 × 2,501.89
  4. Step 4: Simplify right side
    5,423.59x = 20,361,531.69
  5. Step 5: Solve for x
    x = 20,361,531.69/5,423.59
  6. Step 6: Final answer
    x = 3,754.25

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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.