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Finding the Fourth Proportional to 6,599.93, 9,886.11 and 3,959.06

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Solution

The fourth proportional to 6,599.93, 9,886.11 and 3,959.06 is: 5,930.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,599.93 : 9,886.11 = 3,959.06 : x
  2. Step 2: Convert to fraction form
    6,599.93/9,886.11 = 3,959.06/x
  3. Step 3: Cross multiply
    6,599.93x = 9,886.11 × 3,959.06
  4. Step 4: Simplify right side
    6,599.93x = 39,139,702.66
  5. Step 5: Solve for x
    x = 39,139,702.66/6,599.93
  6. Step 6: Final answer
    x = 5,930.32

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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.