Home / 5,981.19-8,250.84-3,989.18

Finding the Fourth Proportional to 5,981.19, 8,250.84 and 3,989.18

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Solution

The fourth proportional to 5,981.19, 8,250.84 and 3,989.18 is: 5,502.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.19 : 8,250.84 = 3,989.18 : x
  2. Step 2: Convert to fraction form
    5,981.19/8,250.84 = 3,989.18/x
  3. Step 3: Cross multiply
    5,981.19x = 8,250.84 × 3,989.18
  4. Step 4: Simplify right side
    5,981.19x = 32,914,044.66
  5. Step 5: Solve for x
    x = 32,914,044.66/5,981.19
  6. Step 6: Final answer
    x = 5,502.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.