Home / 8,881.38-13,317.21-2,639.52

Finding the Fourth Proportional to 8,881.38, 13,317.21 and 2,639.52

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Solution

The fourth proportional to 8,881.38, 13,317.21 and 2,639.52 is: 3,957.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.38 : 13,317.21 = 2,639.52 : x
  2. Step 2: Convert to fraction form
    8,881.38/13,317.21 = 2,639.52/x
  3. Step 3: Cross multiply
    8,881.38x = 13,317.21 × 2,639.52
  4. Step 4: Simplify right side
    8,881.38x = 35,151,042.14
  5. Step 5: Solve for x
    x = 35,151,042.14/8,881.38
  6. Step 6: Final answer
    x = 3,957.84

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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.