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Finding the Fourth Proportional to 6,888.36, 9,505.95 and 3,744.54

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Solution

The fourth proportional to 6,888.36, 9,505.95 and 3,744.54 is: 5,167.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.36 : 9,505.95 = 3,744.54 : x
  2. Step 2: Convert to fraction form
    6,888.36/9,505.95 = 3,744.54/x
  3. Step 3: Cross multiply
    6,888.36x = 9,505.95 × 3,744.54
  4. Step 4: Simplify right side
    6,888.36x = 35,595,410.01
  5. Step 5: Solve for x
    x = 35,595,410.01/6,888.36
  6. Step 6: Final answer
    x = 5,167.47

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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.