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Finding the Fourth Proportional to 6,844.88, 10,218.70 and 6,601.88

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Solution

The fourth proportional to 6,844.88, 10,218.70 and 6,601.88 is: 9,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,844.88 : 10,218.70 = 6,601.88 : x
  2. Step 2: Convert to fraction form
    6,844.88/10,218.70 = 6,601.88/x
  3. Step 3: Cross multiply
    6,844.88x = 10,218.70 × 6,601.88
  4. Step 4: Simplify right side
    6,844.88x = 67,462,631.16
  5. Step 5: Solve for x
    x = 67,462,631.16/6,844.88
  6. Step 6: Final answer
    x = 9,855.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.