Home / 5,601.12-8,401.44-1,441.20

Finding the Fourth Proportional to 5,601.12, 8,401.44 and 1,441.20

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Solution

The fourth proportional to 5,601.12, 8,401.44 and 1,441.20 is: 2,161.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601.12 : 8,401.44 = 1,441.20 : x
  2. Step 2: Convert to fraction form
    5,601.12/8,401.44 = 1,441.20/x
  3. Step 3: Cross multiply
    5,601.12x = 8,401.44 × 1,441.20
  4. Step 4: Simplify right side
    5,601.12x = 12,108,155.33
  5. Step 5: Solve for x
    x = 12,108,155.33/5,601.12
  6. Step 6: Final answer
    x = 2,161.74

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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.