Home / 7,449.79-11,174.67-1,903.14

Finding the Fourth Proportional to 7,449.79, 11,174.67 and 1,903.14

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Solution

The fourth proportional to 7,449.79, 11,174.67 and 1,903.14 is: 2,854.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.79 : 11,174.67 = 1,903.14 : x
  2. Step 2: Convert to fraction form
    7,449.79/11,174.67 = 1,903.14/x
  3. Step 3: Cross multiply
    7,449.79x = 11,174.67 × 1,903.14
  4. Step 4: Simplify right side
    7,449.79x = 21,266,961.46
  5. Step 5: Solve for x
    x = 21,266,961.46/7,449.79
  6. Step 6: Final answer
    x = 2,854.71

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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.