Home / 8,667.57-11,957.45-5,080.71

Finding the Fourth Proportional to 8,667.57, 11,957.45 and 5,080.71

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Solution

The fourth proportional to 8,667.57, 11,957.45 and 5,080.71 is: 7,009.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667.57 : 11,957.45 = 5,080.71 : x
  2. Step 2: Convert to fraction form
    8,667.57/11,957.45 = 5,080.71/x
  3. Step 3: Cross multiply
    8,667.57x = 11,957.45 × 5,080.71
  4. Step 4: Simplify right side
    8,667.57x = 60,752,361.39
  5. Step 5: Solve for x
    x = 60,752,361.39/8,667.57
  6. Step 6: Final answer
    x = 7,009.15

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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.