Home / 6,391.31-9,587.06-2,008.77

Finding the Fourth Proportional to 6,391.31, 9,587.06 and 2,008.77

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Solution

The fourth proportional to 6,391.31, 9,587.06 and 2,008.77 is: 3,013.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.31 : 9,587.06 = 2,008.77 : x
  2. Step 2: Convert to fraction form
    6,391.31/9,587.06 = 2,008.77/x
  3. Step 3: Cross multiply
    6,391.31x = 9,587.06 × 2,008.77
  4. Step 4: Simplify right side
    6,391.31x = 19,258,198.52
  5. Step 5: Solve for x
    x = 19,258,198.52/6,391.31
  6. Step 6: Final answer
    x = 3,013.18

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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.