Home / 8,760.78-13,134.20-5,058.81

Finding the Fourth Proportional to 8,760.78, 13,134.20 and 5,058.81

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Solution

The fourth proportional to 8,760.78, 13,134.20 and 5,058.81 is: 7,584.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.78 : 13,134.20 = 5,058.81 : x
  2. Step 2: Convert to fraction form
    8,760.78/13,134.20 = 5,058.81/x
  3. Step 3: Cross multiply
    8,760.78x = 13,134.20 × 5,058.81
  4. Step 4: Simplify right side
    8,760.78x = 66,443,397.01
  5. Step 5: Solve for x
    x = 66,443,397.01/8,760.78
  6. Step 6: Final answer
    x = 7,584.19

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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.