Home / 7,190.52-10,785.78-2,260.59

Finding the Fourth Proportional to 7,190.52, 10,785.78 and 2,260.59

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Solution

The fourth proportional to 7,190.52, 10,785.78 and 2,260.59 is: 3,390.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.52 : 10,785.78 = 2,260.59 : x
  2. Step 2: Convert to fraction form
    7,190.52/10,785.78 = 2,260.59/x
  3. Step 3: Cross multiply
    7,190.52x = 10,785.78 × 2,260.59
  4. Step 4: Simplify right side
    7,190.52x = 24,382,226.41
  5. Step 5: Solve for x
    x = 24,382,226.41/7,190.52
  6. Step 6: Final answer
    x = 3,390.89

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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.