Home / 7,665.12-11,494.32-2,398.68

Finding the Fourth Proportional to 7,665.12, 11,494.32 and 2,398.68

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Solution

The fourth proportional to 7,665.12, 11,494.32 and 2,398.68 is: 3,596.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.12 : 11,494.32 = 2,398.68 : x
  2. Step 2: Convert to fraction form
    7,665.12/11,494.32 = 2,398.68/x
  3. Step 3: Cross multiply
    7,665.12x = 11,494.32 × 2,398.68
  4. Step 4: Simplify right side
    7,665.12x = 27,571,195.50
  5. Step 5: Solve for x
    x = 27,571,195.50/7,665.12
  6. Step 6: Final answer
    x = 3,596.97

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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.