Home / 6,688.79-9,229.62-3,704.54

Finding the Fourth Proportional to 6,688.79, 9,229.62 and 3,704.54

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Solution

The fourth proportional to 6,688.79, 9,229.62 and 3,704.54 is: 5,111.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.79 : 9,229.62 = 3,704.54 : x
  2. Step 2: Convert to fraction form
    6,688.79/9,229.62 = 3,704.54/x
  3. Step 3: Cross multiply
    6,688.79x = 9,229.62 × 3,704.54
  4. Step 4: Simplify right side
    6,688.79x = 34,191,496.47
  5. Step 5: Solve for x
    x = 34,191,496.47/6,688.79
  6. Step 6: Final answer
    x = 5,111.76

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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.