Home / 8,881.19-13,319.49-2,639.53

Finding the Fourth Proportional to 8,881.19, 13,319.49 and 2,639.53

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Solution

The fourth proportional to 8,881.19, 13,319.49 and 2,639.53 is: 3,958.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.19 : 13,319.49 = 2,639.53 : x
  2. Step 2: Convert to fraction form
    8,881.19/13,319.49 = 2,639.53/x
  3. Step 3: Cross multiply
    8,881.19x = 13,319.49 × 2,639.53
  4. Step 4: Simplify right side
    8,881.19x = 35,157,193.44
  5. Step 5: Solve for x
    x = 35,157,193.44/8,881.19
  6. Step 6: Final answer
    x = 3,958.61

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1.5x scale

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.