Home / 8,515.46-12,775.23-2,672.06

Finding the Fourth Proportional to 8,515.46, 12,775.23 and 2,672.06

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Solution

The fourth proportional to 8,515.46, 12,775.23 and 2,672.06 is: 4,008.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.46 : 12,775.23 = 2,672.06 : x
  2. Step 2: Convert to fraction form
    8,515.46/12,775.23 = 2,672.06/x
  3. Step 3: Cross multiply
    8,515.46x = 12,775.23 × 2,672.06
  4. Step 4: Simplify right side
    8,515.46x = 34,136,181.07
  5. Step 5: Solve for x
    x = 34,136,181.07/8,515.46
  6. Step 6: Final answer
    x = 4,008.73

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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.