Home / 8,272.68-12,408.99-3,592.08

Finding the Fourth Proportional to 8,272.68, 12,408.99 and 3,592.08

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Solution

The fourth proportional to 8,272.68, 12,408.99 and 3,592.08 is: 5,388.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.68 : 12,408.99 = 3,592.08 : x
  2. Step 2: Convert to fraction form
    8,272.68/12,408.99 = 3,592.08/x
  3. Step 3: Cross multiply
    8,272.68x = 12,408.99 × 3,592.08
  4. Step 4: Simplify right side
    8,272.68x = 44,574,084.80
  5. Step 5: Solve for x
    x = 44,574,084.80/8,272.68
  6. Step 6: Final answer
    x = 5,388.11

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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.