Home / 7,932.63-10,939.86-4,948.77

Finding the Fourth Proportional to 7,932.63, 10,939.86 and 4,948.77

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Solution

The fourth proportional to 7,932.63, 10,939.86 and 4,948.77 is: 6,824.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.63 : 10,939.86 = 4,948.77 : x
  2. Step 2: Convert to fraction form
    7,932.63/10,939.86 = 4,948.77/x
  3. Step 3: Cross multiply
    7,932.63x = 10,939.86 × 4,948.77
  4. Step 4: Simplify right side
    7,932.63x = 54,138,850.97
  5. Step 5: Solve for x
    x = 54,138,850.97/7,932.63
  6. Step 6: Final answer
    x = 6,824.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.