Home / 7,242.15-10,863.53-2,562.20

Finding the Fourth Proportional to 7,242.15, 10,863.53 and 2,562.20

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Solution

The fourth proportional to 7,242.15, 10,863.53 and 2,562.20 is: 3,843.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.15 : 10,863.53 = 2,562.20 : x
  2. Step 2: Convert to fraction form
    7,242.15/10,863.53 = 2,562.20/x
  3. Step 3: Cross multiply
    7,242.15x = 10,863.53 × 2,562.20
  4. Step 4: Simplify right side
    7,242.15x = 27,834,520.04
  5. Step 5: Solve for x
    x = 27,834,520.04/7,242.15
  6. Step 6: Final answer
    x = 3,843.41

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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.