Home / 7,447.72-11,176.29-4,162.97

Finding the Fourth Proportional to 7,447.72, 11,176.29 and 4,162.97

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Solution

The fourth proportional to 7,447.72, 11,176.29 and 4,162.97 is: 6,247.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.72 : 11,176.29 = 4,162.97 : x
  2. Step 2: Convert to fraction form
    7,447.72/11,176.29 = 4,162.97/x
  3. Step 3: Cross multiply
    7,447.72x = 11,176.29 × 4,162.97
  4. Step 4: Simplify right side
    7,447.72x = 46,526,524.24
  5. Step 5: Solve for x
    x = 46,526,524.24/7,447.72
  6. Step 6: Final answer
    x = 6,247.08

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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.