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Finding the Fourth Proportional to 6,639.84, 9,959.04 and 2,746.08

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Solution

The fourth proportional to 6,639.84, 9,959.04 and 2,746.08 is: 4,118.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.84 : 9,959.04 = 2,746.08 : x
  2. Step 2: Convert to fraction form
    6,639.84/9,959.04 = 2,746.08/x
  3. Step 3: Cross multiply
    6,639.84x = 9,959.04 × 2,746.08
  4. Step 4: Simplify right side
    6,639.84x = 27,348,320.56
  5. Step 5: Solve for x
    x = 27,348,320.56/6,639.84
  6. Step 6: Final answer
    x = 4,118.82

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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.