Home / 4,505.12-6,747.78-4,394.96

Finding the Fourth Proportional to 4,505.12, 6,747.78 and 4,394.96

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Solution

The fourth proportional to 4,505.12, 6,747.78 and 4,394.96 is: 6,582.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.12 : 6,747.78 = 4,394.96 : x
  2. Step 2: Convert to fraction form
    4,505.12/6,747.78 = 4,394.96/x
  3. Step 3: Cross multiply
    4,505.12x = 6,747.78 × 4,394.96
  4. Step 4: Simplify right side
    4,505.12x = 29,656,223.19
  5. Step 5: Solve for x
    x = 29,656,223.19/4,505.12
  6. Step 6: Final answer
    x = 6,582.78

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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.