Home / 7,190.88-10,785.42-5,344.70

Finding the Fourth Proportional to 7,190.88, 10,785.42 and 5,344.70

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Solution

The fourth proportional to 7,190.88, 10,785.42 and 5,344.70 is: 8,016.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.88 : 10,785.42 = 5,344.70 : x
  2. Step 2: Convert to fraction form
    7,190.88/10,785.42 = 5,344.70/x
  3. Step 3: Cross multiply
    7,190.88x = 10,785.42 × 5,344.70
  4. Step 4: Simplify right side
    7,190.88x = 57,644,834.27
  5. Step 5: Solve for x
    x = 57,644,834.27/7,190.88
  6. Step 6: Final answer
    x = 8,016.38

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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.