Home / 5,760.60-8,635.28-3,125.72

Finding the Fourth Proportional to 5,760.60, 8,635.28 and 3,125.72

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Solution

The fourth proportional to 5,760.60, 8,635.28 and 3,125.72 is: 4,685.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760.60 : 8,635.28 = 3,125.72 : x
  2. Step 2: Convert to fraction form
    5,760.60/8,635.28 = 3,125.72/x
  3. Step 3: Cross multiply
    5,760.60x = 8,635.28 × 3,125.72
  4. Step 4: Simplify right side
    5,760.60x = 26,991,496.80
  5. Step 5: Solve for x
    x = 26,991,496.80/5,760.60
  6. Step 6: Final answer
    x = 4,685.54

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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.