Home / 5,318.38-7,338.90-2,960.02

Finding the Fourth Proportional to 5,318.38, 7,338.90 and 2,960.02

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Solution

The fourth proportional to 5,318.38, 7,338.90 and 2,960.02 is: 4,084.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.38 : 7,338.90 = 2,960.02 : x
  2. Step 2: Convert to fraction form
    5,318.38/7,338.90 = 2,960.02/x
  3. Step 3: Cross multiply
    5,318.38x = 7,338.90 × 2,960.02
  4. Step 4: Simplify right side
    5,318.38x = 21,723,290.78
  5. Step 5: Solve for x
    x = 21,723,290.78/5,318.38
  6. Step 6: Final answer
    x = 4,084.57

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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.