Home / 8,422.68-12,633.96-2,500.02

Finding the Fourth Proportional to 8,422.68, 12,633.96 and 2,500.02

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Solution

The fourth proportional to 8,422.68, 12,633.96 and 2,500.02 is: 3,750.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422.68 : 12,633.96 = 2,500.02 : x
  2. Step 2: Convert to fraction form
    8,422.68/12,633.96 = 2,500.02/x
  3. Step 3: Cross multiply
    8,422.68x = 12,633.96 × 2,500.02
  4. Step 4: Simplify right side
    8,422.68x = 31,585,152.68
  5. Step 5: Solve for x
    x = 31,585,152.68/8,422.68
  6. Step 6: Final answer
    x = 3,750.01

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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.