Home / 7,129.62-10,693.08-2,449.44

Finding the Fourth Proportional to 7,129.62, 10,693.08 and 2,449.44

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Solution

The fourth proportional to 7,129.62, 10,693.08 and 2,449.44 is: 3,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129.62 : 10,693.08 = 2,449.44 : x
  2. Step 2: Convert to fraction form
    7,129.62/10,693.08 = 2,449.44/x
  3. Step 3: Cross multiply
    7,129.62x = 10,693.08 × 2,449.44
  4. Step 4: Simplify right side
    7,129.62x = 26,192,057.88
  5. Step 5: Solve for x
    x = 26,192,057.88/7,129.62
  6. Step 6: Final answer
    x = 3,673.70

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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.