Home / 6,517.11-9,775.52-1,586.78

Finding the Fourth Proportional to 6,517.11, 9,775.52 and 1,586.78

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Solution

The fourth proportional to 6,517.11, 9,775.52 and 1,586.78 is: 2,380.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.11 : 9,775.52 = 1,586.78 : x
  2. Step 2: Convert to fraction form
    6,517.11/9,775.52 = 1,586.78/x
  3. Step 3: Cross multiply
    6,517.11x = 9,775.52 × 1,586.78
  4. Step 4: Simplify right side
    6,517.11x = 15,511,599.63
  5. Step 5: Solve for x
    x = 15,511,599.63/6,517.11
  6. Step 6: Final answer
    x = 2,380.13

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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.