Home / 7,974.38-11,004.50-4,437.51

Finding the Fourth Proportional to 7,974.38, 11,004.50 and 4,437.51

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Solution

The fourth proportional to 7,974.38, 11,004.50 and 4,437.51 is: 6,123.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.38 : 11,004.50 = 4,437.51 : x
  2. Step 2: Convert to fraction form
    7,974.38/11,004.50 = 4,437.51/x
  3. Step 3: Cross multiply
    7,974.38x = 11,004.50 × 4,437.51
  4. Step 4: Simplify right side
    7,974.38x = 48,832,556.61
  5. Step 5: Solve for x
    x = 48,832,556.61/7,974.38
  6. Step 6: Final answer
    x = 6,123.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.