Home / 7,242.09-10,864.49-2,312.97

Finding the Fourth Proportional to 7,242.09, 10,864.49 and 2,312.97

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Solution

The fourth proportional to 7,242.09, 10,864.49 and 2,312.97 is: 3,469.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.09 : 10,864.49 = 2,312.97 : x
  2. Step 2: Convert to fraction form
    7,242.09/10,864.49 = 2,312.97/x
  3. Step 3: Cross multiply
    7,242.09x = 10,864.49 × 2,312.97
  4. Step 4: Simplify right side
    7,242.09x = 25,129,227.87
  5. Step 5: Solve for x
    x = 25,129,227.87/7,242.09
  6. Step 6: Final answer
    x = 3,469.89

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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.