Home / 6,622.16-9,139.40-3,827.66

Finding the Fourth Proportional to 6,622.16, 9,139.40 and 3,827.66

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Solution

The fourth proportional to 6,622.16, 9,139.40 and 3,827.66 is: 5,282.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.16 : 9,139.40 = 3,827.66 : x
  2. Step 2: Convert to fraction form
    6,622.16/9,139.40 = 3,827.66/x
  3. Step 3: Cross multiply
    6,622.16x = 9,139.40 × 3,827.66
  4. Step 4: Simplify right side
    6,622.16x = 34,982,450.97
  5. Step 5: Solve for x
    x = 34,982,450.97/6,622.16
  6. Step 6: Final answer
    x = 5,282.64

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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.