Home / 8,158.83-12,239.77-2,610.68

Finding the Fourth Proportional to 8,158.83, 12,239.77 and 2,610.68

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Solution

The fourth proportional to 8,158.83, 12,239.77 and 2,610.68 is: 3,916.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.83 : 12,239.77 = 2,610.68 : x
  2. Step 2: Convert to fraction form
    8,158.83/12,239.77 = 2,610.68/x
  3. Step 3: Cross multiply
    8,158.83x = 12,239.77 × 2,610.68
  4. Step 4: Simplify right side
    8,158.83x = 31,954,122.74
  5. Step 5: Solve for x
    x = 31,954,122.74/8,158.83
  6. Step 6: Final answer
    x = 3,916.51

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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.