Home / 8,881.13-13,297.09-4,489.41

Finding the Fourth Proportional to 8,881.13, 13,297.09 and 4,489.41

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Solution

The fourth proportional to 8,881.13, 13,297.09 and 4,489.41 is: 6,721.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.13 : 13,297.09 = 4,489.41 : x
  2. Step 2: Convert to fraction form
    8,881.13/13,297.09 = 4,489.41/x
  3. Step 3: Cross multiply
    8,881.13x = 13,297.09 × 4,489.41
  4. Step 4: Simplify right side
    8,881.13x = 59,696,088.82
  5. Step 5: Solve for x
    x = 59,696,088.82/8,881.13
  6. Step 6: Final answer
    x = 6,721.68

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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.