Home / 4,861.20-7,272.60-4,400.40

Finding the Fourth Proportional to 4,861.20, 7,272.60 and 4,400.40

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Solution

The fourth proportional to 4,861.20, 7,272.60 and 4,400.40 is: 6,583.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.20 : 7,272.60 = 4,400.40 : x
  2. Step 2: Convert to fraction form
    4,861.20/7,272.60 = 4,400.40/x
  3. Step 3: Cross multiply
    4,861.20x = 7,272.60 × 4,400.40
  4. Step 4: Simplify right side
    4,861.20x = 32,002,349.04
  5. Step 5: Solve for x
    x = 32,002,349.04/4,861.20
  6. Step 6: Final answer
    x = 6,583.22

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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.