Home / 8,272.20-12,405.42-2,427.24

Finding the Fourth Proportional to 8,272.20, 12,405.42 and 2,427.24

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Solution

The fourth proportional to 8,272.20, 12,405.42 and 2,427.24 is: 3,640.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.20 : 12,405.42 = 2,427.24 : x
  2. Step 2: Convert to fraction form
    8,272.20/12,405.42 = 2,427.24/x
  3. Step 3: Cross multiply
    8,272.20x = 12,405.42 × 2,427.24
  4. Step 4: Simplify right side
    8,272.20x = 30,110,931.64
  5. Step 5: Solve for x
    x = 30,110,931.64/8,272.20
  6. Step 6: Final answer
    x = 3,640.01

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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.