Home / 8,142.68-12,204.57-3,750.91

Finding the Fourth Proportional to 8,142.68, 12,204.57 and 3,750.91

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Solution

The fourth proportional to 8,142.68, 12,204.57 and 3,750.91 is: 5,622.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142.68 : 12,204.57 = 3,750.91 : x
  2. Step 2: Convert to fraction form
    8,142.68/12,204.57 = 3,750.91/x
  3. Step 3: Cross multiply
    8,142.68x = 12,204.57 × 3,750.91
  4. Step 4: Simplify right side
    8,142.68x = 45,778,227.21
  5. Step 5: Solve for x
    x = 45,778,227.21/8,142.68
  6. Step 6: Final answer
    x = 5,622.01

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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.