Home / 7,612.79-11,418.77-2,932.61

Finding the Fourth Proportional to 7,612.79, 11,418.77 and 2,932.61

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Solution

The fourth proportional to 7,612.79, 11,418.77 and 2,932.61 is: 4,398.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.79 : 11,418.77 = 2,932.61 : x
  2. Step 2: Convert to fraction form
    7,612.79/11,418.77 = 2,932.61/x
  3. Step 3: Cross multiply
    7,612.79x = 11,418.77 × 2,932.61
  4. Step 4: Simplify right side
    7,612.79x = 33,486,749.33
  5. Step 5: Solve for x
    x = 33,486,749.33/7,612.79
  6. Step 6: Final answer
    x = 4,398.75

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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.