Home / 10,052.20-15,079.20-4,207.60

Finding the Fourth Proportional to 10,052.20, 15,079.20 and 4,207.60

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Solution

The fourth proportional to 10,052.20, 15,079.20 and 4,207.60 is: 6,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,052.20 : 15,079.20 = 4,207.60 : x
  2. Step 2: Convert to fraction form
    10,052.20/15,079.20 = 4,207.60/x
  3. Step 3: Cross multiply
    10,052.20x = 15,079.20 × 4,207.60
  4. Step 4: Simplify right side
    10,052.20x = 63,447,241.92
  5. Step 5: Solve for x
    x = 63,447,241.92/10,052.20
  6. Step 6: Final answer
    x = 6,311.78

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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.