Home / 8,750.24-13,134.72-4,142.72

Finding the Fourth Proportional to 8,750.24, 13,134.72 and 4,142.72

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Solution

The fourth proportional to 8,750.24, 13,134.72 and 4,142.72 is: 6,218.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.24 : 13,134.72 = 4,142.72 : x
  2. Step 2: Convert to fraction form
    8,750.24/13,134.72 = 4,142.72/x
  3. Step 3: Cross multiply
    8,750.24x = 13,134.72 × 4,142.72
  4. Step 4: Simplify right side
    8,750.24x = 54,413,467.24
  5. Step 5: Solve for x
    x = 54,413,467.24/8,750.24
  6. Step 6: Final answer
    x = 6,218.51

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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.