Home / 7,864.44-11,789.64-2,934.32

Finding the Fourth Proportional to 7,864.44, 11,789.64 and 2,934.32

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Solution

The fourth proportional to 7,864.44, 11,789.64 and 2,934.32 is: 4,398.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.44 : 11,789.64 = 2,934.32 : x
  2. Step 2: Convert to fraction form
    7,864.44/11,789.64 = 2,934.32/x
  3. Step 3: Cross multiply
    7,864.44x = 11,789.64 × 2,934.32
  4. Step 4: Simplify right side
    7,864.44x = 34,594,517.50
  5. Step 5: Solve for x
    x = 34,594,517.50/7,864.44
  6. Step 6: Final answer
    x = 4,398.85

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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.