Home / 7,518.57-11,278.13-2,253.64

Finding the Fourth Proportional to 7,518.57, 11,278.13 and 2,253.64

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Solution

The fourth proportional to 7,518.57, 11,278.13 and 2,253.64 is: 3,380.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.57 : 11,278.13 = 2,253.64 : x
  2. Step 2: Convert to fraction form
    7,518.57/11,278.13 = 2,253.64/x
  3. Step 3: Cross multiply
    7,518.57x = 11,278.13 × 2,253.64
  4. Step 4: Simplify right side
    7,518.57x = 25,416,833.63
  5. Step 5: Solve for x
    x = 25,416,833.63/7,518.57
  6. Step 6: Final answer
    x = 3,380.54

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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.