Home / 5,144.10-7,728.45-3,298.83

Finding the Fourth Proportional to 5,144.10, 7,728.45 and 3,298.83

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Solution

The fourth proportional to 5,144.10, 7,728.45 and 3,298.83 is: 4,956.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.10 : 7,728.45 = 3,298.83 : x
  2. Step 2: Convert to fraction form
    5,144.10/7,728.45 = 3,298.83/x
  3. Step 3: Cross multiply
    5,144.10x = 7,728.45 × 3,298.83
  4. Step 4: Simplify right side
    5,144.10x = 25,494,842.71
  5. Step 5: Solve for x
    x = 25,494,842.71/5,144.10
  6. Step 6: Final answer
    x = 4,956.13

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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.