Home / 8,781.16-13,165.68-3,233.76

Finding the Fourth Proportional to 8,781.16, 13,165.68 and 3,233.76

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Solution

The fourth proportional to 8,781.16, 13,165.68 and 3,233.76 is: 4,848.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781.16 : 13,165.68 = 3,233.76 : x
  2. Step 2: Convert to fraction form
    8,781.16/13,165.68 = 3,233.76/x
  3. Step 3: Cross multiply
    8,781.16x = 13,165.68 × 3,233.76
  4. Step 4: Simplify right side
    8,781.16x = 42,574,649.36
  5. Step 5: Solve for x
    x = 42,574,649.36/8,781.16
  6. Step 6: Final answer
    x = 4,848.41

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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.