Home / 7,449.68-11,174.54-2,770.72

Finding the Fourth Proportional to 7,449.68, 11,174.54 and 2,770.72

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Solution

The fourth proportional to 7,449.68, 11,174.54 and 2,770.72 is: 4,156.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.68 : 11,174.54 = 2,770.72 : x
  2. Step 2: Convert to fraction form
    7,449.68/11,174.54 = 2,770.72/x
  3. Step 3: Cross multiply
    7,449.68x = 11,174.54 × 2,770.72
  4. Step 4: Simplify right side
    7,449.68x = 30,961,495.26
  5. Step 5: Solve for x
    x = 30,961,495.26/7,449.68
  6. Step 6: Final answer
    x = 4,156.08

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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.