Home / 7,079.24-10,608.78-5,215.70

Finding the Fourth Proportional to 7,079.24, 10,608.78 and 5,215.70

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Solution

The fourth proportional to 7,079.24, 10,608.78 and 5,215.70 is: 7,816.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.24 : 10,608.78 = 5,215.70 : x
  2. Step 2: Convert to fraction form
    7,079.24/10,608.78 = 5,215.70/x
  3. Step 3: Cross multiply
    7,079.24x = 10,608.78 × 5,215.70
  4. Step 4: Simplify right side
    7,079.24x = 55,332,160.80
  5. Step 5: Solve for x
    x = 55,332,160.80/7,079.24
  6. Step 6: Final answer
    x = 7,816.12

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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.