Home / 8,515.08-12,774.42-2,672.16

Finding the Fourth Proportional to 8,515.08, 12,774.42 and 2,672.16

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Solution

The fourth proportional to 8,515.08, 12,774.42 and 2,672.16 is: 4,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.08 : 12,774.42 = 2,672.16 : x
  2. Step 2: Convert to fraction form
    8,515.08/12,774.42 = 2,672.16/x
  3. Step 3: Cross multiply
    8,515.08x = 12,774.42 × 2,672.16
  4. Step 4: Simplify right side
    8,515.08x = 34,135,294.15
  5. Step 5: Solve for x
    x = 34,135,294.15/8,515.08
  6. Step 6: Final answer
    x = 4,008.80

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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.