Home / 8,158.85-12,237.63-2,610.71

Finding the Fourth Proportional to 8,158.85, 12,237.63 and 2,610.71

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Solution

The fourth proportional to 8,158.85, 12,237.63 and 2,610.71 is: 3,915.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.85 : 12,237.63 = 2,610.71 : x
  2. Step 2: Convert to fraction form
    8,158.85/12,237.63 = 2,610.71/x
  3. Step 3: Cross multiply
    8,158.85x = 12,237.63 × 2,610.71
  4. Step 4: Simplify right side
    8,158.85x = 31,948,858.20
  5. Step 5: Solve for x
    x = 31,948,858.20/8,158.85
  6. Step 6: Final answer
    x = 3,915.85

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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.