Home / 6,977.88-10,470.41-3,857.31

Finding the Fourth Proportional to 6,977.88, 10,470.41 and 3,857.31

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Solution

The fourth proportional to 6,977.88, 10,470.41 and 3,857.31 is: 5,787.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.88 : 10,470.41 = 3,857.31 : x
  2. Step 2: Convert to fraction form
    6,977.88/10,470.41 = 3,857.31/x
  3. Step 3: Cross multiply
    6,977.88x = 10,470.41 × 3,857.31
  4. Step 4: Simplify right side
    6,977.88x = 40,387,597.91
  5. Step 5: Solve for x
    x = 40,387,597.91/6,977.88
  6. Step 6: Final answer
    x = 5,787.95

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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.