Home / 8,575.12-12,851.04-3,638.57

Finding the Fourth Proportional to 8,575.12, 12,851.04 and 3,638.57

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Solution

The fourth proportional to 8,575.12, 12,851.04 and 3,638.57 is: 5,452.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.12 : 12,851.04 = 3,638.57 : x
  2. Step 2: Convert to fraction form
    8,575.12/12,851.04 = 3,638.57/x
  3. Step 3: Cross multiply
    8,575.12x = 12,851.04 × 3,638.57
  4. Step 4: Simplify right side
    8,575.12x = 46,759,408.61
  5. Step 5: Solve for x
    x = 46,759,408.61/8,575.12
  6. Step 6: Final answer
    x = 5,452.92

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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.