Home / 7,190.28-10,785.42-2,260.35

Finding the Fourth Proportional to 7,190.28, 10,785.42 and 2,260.35

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Solution

The fourth proportional to 7,190.28, 10,785.42 and 2,260.35 is: 3,390.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.28 : 10,785.42 = 2,260.35 : x
  2. Step 2: Convert to fraction form
    7,190.28/10,785.42 = 2,260.35/x
  3. Step 3: Cross multiply
    7,190.28x = 10,785.42 × 2,260.35
  4. Step 4: Simplify right side
    7,190.28x = 24,378,824.10
  5. Step 5: Solve for x
    x = 24,378,824.10/7,190.28
  6. Step 6: Final answer
    x = 3,390.53

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Similar ratio
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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.