Home / 5,601.60-8,404.20-2,480.40

Finding the Fourth Proportional to 5,601.60, 8,404.20 and 2,480.40

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Solution

The fourth proportional to 5,601.60, 8,404.20 and 2,480.40 is: 3,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601.60 : 8,404.20 = 2,480.40 : x
  2. Step 2: Convert to fraction form
    5,601.60/8,404.20 = 2,480.40/x
  3. Step 3: Cross multiply
    5,601.60x = 8,404.20 × 2,480.40
  4. Step 4: Simplify right side
    5,601.60x = 20,845,777.68
  5. Step 5: Solve for x
    x = 20,845,777.68/5,601.60
  6. Step 6: Final answer
    x = 3,721.40

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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.