Home / 7,449.80-10,279.58-4,305.38

Finding the Fourth Proportional to 7,449.80, 10,279.58 and 4,305.38

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Solution

The fourth proportional to 7,449.80, 10,279.58 and 4,305.38 is: 5,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.80 : 10,279.58 = 4,305.38 : x
  2. Step 2: Convert to fraction form
    7,449.80/10,279.58 = 4,305.38/x
  3. Step 3: Cross multiply
    7,449.80x = 10,279.58 × 4,305.38
  4. Step 4: Simplify right side
    7,449.80x = 44,257,425.22
  5. Step 5: Solve for x
    x = 44,257,425.22/7,449.80
  6. Step 6: Final answer
    x = 5,940.76

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.