Home / 9,269.38-12,791.95-5,290.41

Finding the Fourth Proportional to 9,269.38, 12,791.95 and 5,290.41

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Solution

The fourth proportional to 9,269.38, 12,791.95 and 5,290.41 is: 7,300.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,269.38 : 12,791.95 = 5,290.41 : x
  2. Step 2: Convert to fraction form
    9,269.38/12,791.95 = 5,290.41/x
  3. Step 3: Cross multiply
    9,269.38x = 12,791.95 × 5,290.41
  4. Step 4: Simplify right side
    9,269.38x = 67,674,646.97
  5. Step 5: Solve for x
    x = 67,674,646.97/9,269.38
  6. Step 6: Final answer
    x = 7,300.88

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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.