Home / 8,081.19-12,125.45-4,130.41

Finding the Fourth Proportional to 8,081.19, 12,125.45 and 4,130.41

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Solution

The fourth proportional to 8,081.19, 12,125.45 and 4,130.41 is: 6,197.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.19 : 12,125.45 = 4,130.41 : x
  2. Step 2: Convert to fraction form
    8,081.19/12,125.45 = 4,130.41/x
  3. Step 3: Cross multiply
    8,081.19x = 12,125.45 × 4,130.41
  4. Step 4: Simplify right side
    8,081.19x = 50,083,079.93
  5. Step 5: Solve for x
    x = 50,083,079.93/8,081.19
  6. Step 6: Final answer
    x = 6,197.49

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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.