Home / 8,515.45-12,775.96-2,592.57

Finding the Fourth Proportional to 8,515.45, 12,775.96 and 2,592.57

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Solution

The fourth proportional to 8,515.45, 12,775.96 and 2,592.57 is: 3,889.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.45 : 12,775.96 = 2,592.57 : x
  2. Step 2: Convert to fraction form
    8,515.45/12,775.96 = 2,592.57/x
  3. Step 3: Cross multiply
    8,515.45x = 12,775.96 × 2,592.57
  4. Step 4: Simplify right side
    8,515.45x = 33,122,621.77
  5. Step 5: Solve for x
    x = 33,122,621.77/8,515.45
  6. Step 6: Final answer
    x = 3,889.71

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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.