Home / 7,939.29-11,910.47-4,614.71

Finding the Fourth Proportional to 7,939.29, 11,910.47 and 4,614.71

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Solution

The fourth proportional to 7,939.29, 11,910.47 and 4,614.71 is: 6,922.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.29 : 11,910.47 = 4,614.71 : x
  2. Step 2: Convert to fraction form
    7,939.29/11,910.47 = 4,614.71/x
  3. Step 3: Cross multiply
    7,939.29x = 11,910.47 × 4,614.71
  4. Step 4: Simplify right side
    7,939.29x = 54,963,282.39
  5. Step 5: Solve for x
    x = 54,963,282.39/7,939.29
  6. Step 6: Final answer
    x = 6,922.95

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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.