Home / 7,561.89-11,343.38-2,015.21

Finding the Fourth Proportional to 7,561.89, 11,343.38 and 2,015.21

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Solution

The fourth proportional to 7,561.89, 11,343.38 and 2,015.21 is: 3,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.89 : 11,343.38 = 2,015.21 : x
  2. Step 2: Convert to fraction form
    7,561.89/11,343.38 = 2,015.21/x
  3. Step 3: Cross multiply
    7,561.89x = 11,343.38 × 2,015.21
  4. Step 4: Simplify right side
    7,561.89x = 22,859,226.02
  5. Step 5: Solve for x
    x = 22,859,226.02/7,561.89
  6. Step 6: Final answer
    x = 3,022.95

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Double scale
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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.