Home / 7,243.36-10,863.78-2,862.10

Finding the Fourth Proportional to 7,243.36, 10,863.78 and 2,862.10

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Solution

The fourth proportional to 7,243.36, 10,863.78 and 2,862.10 is: 4,292.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.36 : 10,863.78 = 2,862.10 : x
  2. Step 2: Convert to fraction form
    7,243.36/10,863.78 = 2,862.10/x
  3. Step 3: Cross multiply
    7,243.36x = 10,863.78 × 2,862.10
  4. Step 4: Simplify right side
    7,243.36x = 31,093,224.74
  5. Step 5: Solve for x
    x = 31,093,224.74/7,243.36
  6. Step 6: Final answer
    x = 4,292.65

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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.