Home / 8,448.20-12,672.28-2,292.20

Finding the Fourth Proportional to 8,448.20, 12,672.28 and 2,292.20

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Solution

The fourth proportional to 8,448.20, 12,672.28 and 2,292.20 is: 3,438.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.20 : 12,672.28 = 2,292.20 : x
  2. Step 2: Convert to fraction form
    8,448.20/12,672.28 = 2,292.20/x
  3. Step 3: Cross multiply
    8,448.20x = 12,672.28 × 2,292.20
  4. Step 4: Simplify right side
    8,448.20x = 29,047,400.22
  5. Step 5: Solve for x
    x = 29,047,400.22/8,448.20
  6. Step 6: Final answer
    x = 3,438.29

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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.