Home / 8,266.18-12,391.26-2,715.70

Finding the Fourth Proportional to 8,266.18, 12,391.26 and 2,715.70

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Solution

The fourth proportional to 8,266.18, 12,391.26 and 2,715.70 is: 4,070.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.18 : 12,391.26 = 2,715.70 : x
  2. Step 2: Convert to fraction form
    8,266.18/12,391.26 = 2,715.70/x
  3. Step 3: Cross multiply
    8,266.18x = 12,391.26 × 2,715.70
  4. Step 4: Simplify right side
    8,266.18x = 33,650,944.78
  5. Step 5: Solve for x
    x = 33,650,944.78/8,266.18
  6. Step 6: Final answer
    x = 4,070.92

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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.