Home / 8,881.31-13,309.25-6,522.81

Finding the Fourth Proportional to 8,881.31, 13,309.25 and 6,522.81

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Solution

The fourth proportional to 8,881.31, 13,309.25 and 6,522.81 is: 9,774.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.31 : 13,309.25 = 6,522.81 : x
  2. Step 2: Convert to fraction form
    8,881.31/13,309.25 = 6,522.81/x
  3. Step 3: Cross multiply
    8,881.31x = 13,309.25 × 6,522.81
  4. Step 4: Simplify right side
    8,881.31x = 86,813,708.99
  5. Step 5: Solve for x
    x = 86,813,708.99/8,881.31
  6. Step 6: Final answer
    x = 9,774.88

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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.