Home / 7,974.52-11,020.02-5,981.62

Finding the Fourth Proportional to 7,974.52, 11,020.02 and 5,981.62

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Solution

The fourth proportional to 7,974.52, 11,020.02 and 5,981.62 is: 8,266.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.52 : 11,020.02 = 5,981.62 : x
  2. Step 2: Convert to fraction form
    7,974.52/11,020.02 = 5,981.62/x
  3. Step 3: Cross multiply
    7,974.52x = 11,020.02 × 5,981.62
  4. Step 4: Simplify right side
    7,974.52x = 65,917,572.03
  5. Step 5: Solve for x
    x = 65,917,572.03/7,974.52
  6. Step 6: Final answer
    x = 8,266.02

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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.