Home / 7,447.23-11,167.56-3,499.61

Finding the Fourth Proportional to 7,447.23, 11,167.56 and 3,499.61

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Solution

The fourth proportional to 7,447.23, 11,167.56 and 3,499.61 is: 5,247.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.23 : 11,167.56 = 3,499.61 : x
  2. Step 2: Convert to fraction form
    7,447.23/11,167.56 = 3,499.61/x
  3. Step 3: Cross multiply
    7,447.23x = 11,167.56 × 3,499.61
  4. Step 4: Simplify right side
    7,447.23x = 39,082,048.81
  5. Step 5: Solve for x
    x = 39,082,048.81/7,447.23
  6. Step 6: Final answer
    x = 5,247.86

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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.