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Finding the Fourth Proportional to 6,411.11, 8,848.71 and 4,052.79

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Solution

The fourth proportional to 6,411.11, 8,848.71 and 4,052.79 is: 5,593.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,411.11 : 8,848.71 = 4,052.79 : x
  2. Step 2: Convert to fraction form
    6,411.11/8,848.71 = 4,052.79/x
  3. Step 3: Cross multiply
    6,411.11x = 8,848.71 × 4,052.79
  4. Step 4: Simplify right side
    6,411.11x = 35,861,963.40
  5. Step 5: Solve for x
    x = 35,861,963.40/6,411.11
  6. Step 6: Final answer
    x = 5,593.73

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1.5x scale

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.