Home / 8,161.16-12,239.10-2,614.28

Finding the Fourth Proportional to 8,161.16, 12,239.10 and 2,614.28

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Solution

The fourth proportional to 8,161.16, 12,239.10 and 2,614.28 is: 3,920.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.16 : 12,239.10 = 2,614.28 : x
  2. Step 2: Convert to fraction form
    8,161.16/12,239.10 = 2,614.28/x
  3. Step 3: Cross multiply
    8,161.16x = 12,239.10 × 2,614.28
  4. Step 4: Simplify right side
    8,161.16x = 31,996,373.15
  5. Step 5: Solve for x
    x = 31,996,373.15/8,161.16
  6. Step 6: Final answer
    x = 3,920.57

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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.