Home / 8,252.68-12,380.24-2,988.08

Finding the Fourth Proportional to 8,252.68, 12,380.24 and 2,988.08

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Solution

The fourth proportional to 8,252.68, 12,380.24 and 2,988.08 is: 4,482.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.68 : 12,380.24 = 2,988.08 : x
  2. Step 2: Convert to fraction form
    8,252.68/12,380.24 = 2,988.08/x
  3. Step 3: Cross multiply
    8,252.68x = 12,380.24 × 2,988.08
  4. Step 4: Simplify right side
    8,252.68x = 36,993,185.96
  5. Step 5: Solve for x
    x = 36,993,185.96/8,252.68
  6. Step 6: Final answer
    x = 4,482.57

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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.