Home / 6,888.38-9,505.78-3,744.58

Finding the Fourth Proportional to 6,888.38, 9,505.78 and 3,744.58

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Solution

The fourth proportional to 6,888.38, 9,505.78 and 3,744.58 is: 5,167.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.38 : 9,505.78 = 3,744.58 : x
  2. Step 2: Convert to fraction form
    6,888.38/9,505.78 = 3,744.58/x
  3. Step 3: Cross multiply
    6,888.38x = 9,505.78 × 3,744.58
  4. Step 4: Simplify right side
    6,888.38x = 35,595,153.67
  5. Step 5: Solve for x
    x = 35,595,153.67/6,888.38
  6. Step 6: Final answer
    x = 5,167.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.