Home / 7,207.83-10,815.36-3,314.97

Finding the Fourth Proportional to 7,207.83, 10,815.36 and 3,314.97

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Solution

The fourth proportional to 7,207.83, 10,815.36 and 3,314.97 is: 4,974.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.83 : 10,815.36 = 3,314.97 : x
  2. Step 2: Convert to fraction form
    7,207.83/10,815.36 = 3,314.97/x
  3. Step 3: Cross multiply
    7,207.83x = 10,815.36 × 3,314.97
  4. Step 4: Simplify right side
    7,207.83x = 35,852,593.94
  5. Step 5: Solve for x
    x = 35,852,593.94/7,207.83
  6. Step 6: Final answer
    x = 4,974.12

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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.