Home / 8,057.09-12,083.27-3,125.57

Finding the Fourth Proportional to 8,057.09, 12,083.27 and 3,125.57

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Solution

The fourth proportional to 8,057.09, 12,083.27 and 3,125.57 is: 4,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.09 : 12,083.27 = 3,125.57 : x
  2. Step 2: Convert to fraction form
    8,057.09/12,083.27 = 3,125.57/x
  3. Step 3: Cross multiply
    8,057.09x = 12,083.27 × 3,125.57
  4. Step 4: Simplify right side
    8,057.09x = 37,767,030.17
  5. Step 5: Solve for x
    x = 37,767,030.17/8,057.09
  6. Step 6: Final answer
    x = 4,687.43

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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.