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Finding the Fourth Proportional to 6,558.39, 9,837.72 and 2,660.13

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Solution

The fourth proportional to 6,558.39, 9,837.72 and 2,660.13 is: 3,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,558.39 : 9,837.72 = 2,660.13 : x
  2. Step 2: Convert to fraction form
    6,558.39/9,837.72 = 2,660.13/x
  3. Step 3: Cross multiply
    6,558.39x = 9,837.72 × 2,660.13
  4. Step 4: Simplify right side
    6,558.39x = 26,169,614.10
  5. Step 5: Solve for x
    x = 26,169,614.10/6,558.39
  6. Step 6: Final answer
    x = 3,990.25

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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.