Home / 7,425.15-10,249.38-5,065.62

Finding the Fourth Proportional to 7,425.15, 10,249.38 and 5,065.62

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Solution

The fourth proportional to 7,425.15, 10,249.38 and 5,065.62 is: 6,992.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.15 : 10,249.38 = 5,065.62 : x
  2. Step 2: Convert to fraction form
    7,425.15/10,249.38 = 5,065.62/x
  3. Step 3: Cross multiply
    7,425.15x = 10,249.38 × 5,065.62
  4. Step 4: Simplify right side
    7,425.15x = 51,919,464.32
  5. Step 5: Solve for x
    x = 51,919,464.32/7,425.15
  6. Step 6: Final answer
    x = 6,992.38

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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.