Home / 7,612.62-11,418.99-2,681.13

Finding the Fourth Proportional to 7,612.62, 11,418.99 and 2,681.13

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Solution

The fourth proportional to 7,612.62, 11,418.99 and 2,681.13 is: 4,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.62 : 11,418.99 = 2,681.13 : x
  2. Step 2: Convert to fraction form
    7,612.62/11,418.99 = 2,681.13/x
  3. Step 3: Cross multiply
    7,612.62x = 11,418.99 × 2,681.13
  4. Step 4: Simplify right side
    7,612.62x = 30,615,796.66
  5. Step 5: Solve for x
    x = 30,615,796.66/7,612.62
  6. Step 6: Final answer
    x = 4,021.72

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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.