Home / 6,934.52-10,392.78-5,285

Finding the Fourth Proportional to 6,934.52, 10,392.78 and 5,285

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Solution

The fourth proportional to 6,934.52, 10,392.78 and 5,285 is: 7,920.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,934.52 : 10,392.78 = 5,285 : x
  2. Step 2: Convert to fraction form
    6,934.52/10,392.78 = 5,285/x
  3. Step 3: Cross multiply
    6,934.52x = 10,392.78 × 5,285
  4. Step 4: Simplify right side
    6,934.52x = 54,925,842.30
  5. Step 5: Solve for x
    x = 54,925,842.30/6,934.52
  6. Step 6: Final answer
    x = 7,920.64

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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.