Home / 6,853.31-10,272.74-3,888.03

Finding the Fourth Proportional to 6,853.31, 10,272.74 and 3,888.03

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Solution

The fourth proportional to 6,853.31, 10,272.74 and 3,888.03 is: 5,827.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,853.31 : 10,272.74 = 3,888.03 : x
  2. Step 2: Convert to fraction form
    6,853.31/10,272.74 = 3,888.03/x
  3. Step 3: Cross multiply
    6,853.31x = 10,272.74 × 3,888.03
  4. Step 4: Simplify right side
    6,853.31x = 39,940,701.86
  5. Step 5: Solve for x
    x = 39,940,701.86/6,853.31
  6. Step 6: Final answer
    x = 5,827.95

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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.