Home / 5,727.60-8,591.40-2,440.80

Finding the Fourth Proportional to 5,727.60, 8,591.40 and 2,440.80

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Solution

The fourth proportional to 5,727.60, 8,591.40 and 2,440.80 is: 3,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.60 : 8,591.40 = 2,440.80 : x
  2. Step 2: Convert to fraction form
    5,727.60/8,591.40 = 2,440.80/x
  3. Step 3: Cross multiply
    5,727.60x = 8,591.40 × 2,440.80
  4. Step 4: Simplify right side
    5,727.60x = 20,969,889.12
  5. Step 5: Solve for x
    x = 20,969,889.12/5,727.60
  6. Step 6: Final answer
    x = 3,661.20

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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.