Home / 8,257.68-12,386.39-2,711.07

Finding the Fourth Proportional to 8,257.68, 12,386.39 and 2,711.07

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Solution

The fourth proportional to 8,257.68, 12,386.39 and 2,711.07 is: 4,066.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.68 : 12,386.39 = 2,711.07 : x
  2. Step 2: Convert to fraction form
    8,257.68/12,386.39 = 2,711.07/x
  3. Step 3: Cross multiply
    8,257.68x = 12,386.39 × 2,711.07
  4. Step 4: Simplify right side
    8,257.68x = 33,580,356.78
  5. Step 5: Solve for x
    x = 33,580,356.78/8,257.68
  6. Step 6: Final answer
    x = 4,066.56

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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.