Home / 6,943.86-9,579.80-4,286.66

Finding the Fourth Proportional to 6,943.86, 9,579.80 and 4,286.66

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Solution

The fourth proportional to 6,943.86, 9,579.80 and 4,286.66 is: 5,913.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943.86 : 9,579.80 = 4,286.66 : x
  2. Step 2: Convert to fraction form
    6,943.86/9,579.80 = 4,286.66/x
  3. Step 3: Cross multiply
    6,943.86x = 9,579.80 × 4,286.66
  4. Step 4: Simplify right side
    6,943.86x = 41,065,345.47
  5. Step 5: Solve for x
    x = 41,065,345.47/6,943.86
  6. Step 6: Final answer
    x = 5,913.91

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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.