Home / 7,079.11-10,608.59-5,215.57

Finding the Fourth Proportional to 7,079.11, 10,608.59 and 5,215.57

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Solution

The fourth proportional to 7,079.11, 10,608.59 and 5,215.57 is: 7,815.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.11 : 10,608.59 = 5,215.57 : x
  2. Step 2: Convert to fraction form
    7,079.11/10,608.59 = 5,215.57/x
  3. Step 3: Cross multiply
    7,079.11x = 10,608.59 × 5,215.57
  4. Step 4: Simplify right side
    7,079.11x = 55,329,843.75
  5. Step 5: Solve for x
    x = 55,329,843.75/7,079.11
  6. Step 6: Final answer
    x = 7,815.93

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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.