Home / 5,442.30-8,163.46-1,744.78

Finding the Fourth Proportional to 5,442.30, 8,163.46 and 1,744.78

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Solution

The fourth proportional to 5,442.30, 8,163.46 and 1,744.78 is: 2,617.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.30 : 8,163.46 = 1,744.78 : x
  2. Step 2: Convert to fraction form
    5,442.30/8,163.46 = 1,744.78/x
  3. Step 3: Cross multiply
    5,442.30x = 8,163.46 × 1,744.78
  4. Step 4: Simplify right side
    5,442.30x = 14,243,441.74
  5. Step 5: Solve for x
    x = 14,243,441.74/5,442.30
  6. Step 6: Final answer
    x = 2,617.17

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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.