Home / 5,601.28-8,400.62-2,479.60

Finding the Fourth Proportional to 5,601.28, 8,400.62 and 2,479.60

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Solution

The fourth proportional to 5,601.28, 8,400.62 and 2,479.60 is: 3,718.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601.28 : 8,400.62 = 2,479.60 : x
  2. Step 2: Convert to fraction form
    5,601.28/8,400.62 = 2,479.60/x
  3. Step 3: Cross multiply
    5,601.28x = 8,400.62 × 2,479.60
  4. Step 4: Simplify right side
    5,601.28x = 20,830,177.35
  5. Step 5: Solve for x
    x = 20,830,177.35/5,601.28
  6. Step 6: Final answer
    x = 3,718.82

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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.