Home / 7,291.20-10,939.89-3,593.45

Finding the Fourth Proportional to 7,291.20, 10,939.89 and 3,593.45

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Solution

The fourth proportional to 7,291.20, 10,939.89 and 3,593.45 is: 5,391.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.20 : 10,939.89 = 3,593.45 : x
  2. Step 2: Convert to fraction form
    7,291.20/10,939.89 = 3,593.45/x
  3. Step 3: Cross multiply
    7,291.20x = 10,939.89 × 3,593.45
  4. Step 4: Simplify right side
    7,291.20x = 39,311,947.72
  5. Step 5: Solve for x
    x = 39,311,947.72/7,291.20
  6. Step 6: Final answer
    x = 5,391.70

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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.