Home / 7,242.07-10,863.99-2,561.11

Finding the Fourth Proportional to 7,242.07, 10,863.99 and 2,561.11

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Solution

The fourth proportional to 7,242.07, 10,863.99 and 2,561.11 is: 3,841.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.07 : 10,863.99 = 2,561.11 : x
  2. Step 2: Convert to fraction form
    7,242.07/10,863.99 = 2,561.11/x
  3. Step 3: Cross multiply
    7,242.07x = 10,863.99 × 2,561.11
  4. Step 4: Simplify right side
    7,242.07x = 27,823,846.27
  5. Step 5: Solve for x
    x = 27,823,846.27/7,242.07
  6. Step 6: Final answer
    x = 3,841.98

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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.