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Finding the Fourth Proportional to 6,888.64, 10,324.23 and 3,377.81

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Solution

The fourth proportional to 6,888.64, 10,324.23 and 3,377.81 is: 5,062.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.64 : 10,324.23 = 3,377.81 : x
  2. Step 2: Convert to fraction form
    6,888.64/10,324.23 = 3,377.81/x
  3. Step 3: Cross multiply
    6,888.64x = 10,324.23 × 3,377.81
  4. Step 4: Simplify right side
    6,888.64x = 34,873,287.34
  5. Step 5: Solve for x
    x = 34,873,287.34/6,888.64
  6. Step 6: Final answer
    x = 5,062.44

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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.