Home / 7,449.78-11,176.29-2,256.06

Finding the Fourth Proportional to 7,449.78, 11,176.29 and 2,256.06

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Solution

The fourth proportional to 7,449.78, 11,176.29 and 2,256.06 is: 3,384.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.78 : 11,176.29 = 2,256.06 : x
  2. Step 2: Convert to fraction form
    7,449.78/11,176.29 = 2,256.06/x
  3. Step 3: Cross multiply
    7,449.78x = 11,176.29 × 2,256.06
  4. Step 4: Simplify right side
    7,449.78x = 25,214,380.82
  5. Step 5: Solve for x
    x = 25,214,380.82/7,449.78
  6. Step 6: Final answer
    x = 3,384.58

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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.