Home / 7,456.68-11,187.18-3,071.88

Finding the Fourth Proportional to 7,456.68, 11,187.18 and 3,071.88

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Solution

The fourth proportional to 7,456.68, 11,187.18 and 3,071.88 is: 4,608.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.68 : 11,187.18 = 3,071.88 : x
  2. Step 2: Convert to fraction form
    7,456.68/11,187.18 = 3,071.88/x
  3. Step 3: Cross multiply
    7,456.68x = 11,187.18 × 3,071.88
  4. Step 4: Simplify right side
    7,456.68x = 34,365,674.50
  5. Step 5: Solve for x
    x = 34,365,674.50/7,456.68
  6. Step 6: Final answer
    x = 4,608.71

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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.