Home / 7,517.54-11,278.89-3,360.42

Finding the Fourth Proportional to 7,517.54, 11,278.89 and 3,360.42

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Solution

The fourth proportional to 7,517.54, 11,278.89 and 3,360.42 is: 5,041.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.54 : 11,278.89 = 3,360.42 : x
  2. Step 2: Convert to fraction form
    7,517.54/11,278.89 = 3,360.42/x
  3. Step 3: Cross multiply
    7,517.54x = 11,278.89 × 3,360.42
  4. Step 4: Simplify right side
    7,517.54x = 37,901,807.53
  5. Step 5: Solve for x
    x = 37,901,807.53/7,517.54
  6. Step 6: Final answer
    x = 5,041.79

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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.