Home / 8,372.52-12,558.80-2,825.91

Finding the Fourth Proportional to 8,372.52, 12,558.80 and 2,825.91

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Solution

The fourth proportional to 8,372.52, 12,558.80 and 2,825.91 is: 4,238.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.52 : 12,558.80 = 2,825.91 : x
  2. Step 2: Convert to fraction form
    8,372.52/12,558.80 = 2,825.91/x
  3. Step 3: Cross multiply
    8,372.52x = 12,558.80 × 2,825.91
  4. Step 4: Simplify right side
    8,372.52x = 35,490,045.57
  5. Step 5: Solve for x
    x = 35,490,045.57/8,372.52
  6. Step 6: Final answer
    x = 4,238.87

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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.