Home / 6,932.78-10,399.33-2,490.74

Finding the Fourth Proportional to 6,932.78, 10,399.33 and 2,490.74

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Solution

The fourth proportional to 6,932.78, 10,399.33 and 2,490.74 is: 3,736.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,932.78 : 10,399.33 = 2,490.74 : x
  2. Step 2: Convert to fraction form
    6,932.78/10,399.33 = 2,490.74/x
  3. Step 3: Cross multiply
    6,932.78x = 10,399.33 × 2,490.74
  4. Step 4: Simplify right side
    6,932.78x = 25,901,981.43
  5. Step 5: Solve for x
    x = 25,901,981.43/6,932.78
  6. Step 6: Final answer
    x = 3,736.16

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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.