Home / 8,917.16-13,373.02-3,721.82

Finding the Fourth Proportional to 8,917.16, 13,373.02 and 3,721.82

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Solution

The fourth proportional to 8,917.16, 13,373.02 and 3,721.82 is: 5,581.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.16 : 13,373.02 = 3,721.82 : x
  2. Step 2: Convert to fraction form
    8,917.16/13,373.02 = 3,721.82/x
  3. Step 3: Cross multiply
    8,917.16x = 13,373.02 × 3,721.82
  4. Step 4: Simplify right side
    8,917.16x = 49,771,973.30
  5. Step 5: Solve for x
    x = 49,771,973.30/8,917.16
  6. Step 6: Final answer
    x = 5,581.59

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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.