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Finding the Fourth Proportional to 6,279, 9,411.33 and 3,506.97

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Solution

The fourth proportional to 6,279, 9,411.33 and 3,506.97 is: 5,256.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279 : 9,411.33 = 3,506.97 : x
  2. Step 2: Convert to fraction form
    6,279/9,411.33 = 3,506.97/x
  3. Step 3: Cross multiply
    6,279x = 9,411.33 × 3,506.97
  4. Step 4: Simplify right side
    6,279x = 33,005,251.97
  5. Step 5: Solve for x
    x = 33,005,251.97/6,279
  6. Step 6: Final answer
    x = 5,256.45

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1.5x scale

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.