Home / 5,601.12-8,401.36-1,441.28

Finding the Fourth Proportional to 5,601.12, 8,401.36 and 1,441.28

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Solution

The fourth proportional to 5,601.12, 8,401.36 and 1,441.28 is: 2,161.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601.12 : 8,401.36 = 1,441.28 : x
  2. Step 2: Convert to fraction form
    5,601.12/8,401.36 = 1,441.28/x
  3. Step 3: Cross multiply
    5,601.12x = 8,401.36 × 1,441.28
  4. Step 4: Simplify right side
    5,601.12x = 12,108,712.14
  5. Step 5: Solve for x
    x = 12,108,712.14/5,601.12
  6. Step 6: Final answer
    x = 2,161.84

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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.