Home / 7,974.72-11,020.29-5,981.82

Finding the Fourth Proportional to 7,974.72, 11,020.29 and 5,981.82

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Solution

The fourth proportional to 7,974.72, 11,020.29 and 5,981.82 is: 8,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.72 : 11,020.29 = 5,981.82 : x
  2. Step 2: Convert to fraction form
    7,974.72/11,020.29 = 5,981.82/x
  3. Step 3: Cross multiply
    7,974.72x = 11,020.29 × 5,981.82
  4. Step 4: Simplify right side
    7,974.72x = 65,921,391.13
  5. Step 5: Solve for x
    x = 65,921,391.13/7,974.72
  6. Step 6: Final answer
    x = 8,266.30

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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.