Home / 8,515.26-12,775.05-2,671.92

Finding the Fourth Proportional to 8,515.26, 12,775.05 and 2,671.92

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Solution

The fourth proportional to 8,515.26, 12,775.05 and 2,671.92 is: 4,008.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.26 : 12,775.05 = 2,671.92 : x
  2. Step 2: Convert to fraction form
    8,515.26/12,775.05 = 2,671.92/x
  3. Step 3: Cross multiply
    8,515.26x = 12,775.05 × 2,671.92
  4. Step 4: Simplify right side
    8,515.26x = 34,133,911.60
  5. Step 5: Solve for x
    x = 34,133,911.60/8,515.26
  6. Step 6: Final answer
    x = 4,008.56

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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.