Home / 6,688.32-9,229.86-3,704.55

Finding the Fourth Proportional to 6,688.32, 9,229.86 and 3,704.55

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Solution

The fourth proportional to 6,688.32, 9,229.86 and 3,704.55 is: 5,112.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.32 : 9,229.86 = 3,704.55 : x
  2. Step 2: Convert to fraction form
    6,688.32/9,229.86 = 3,704.55/x
  3. Step 3: Cross multiply
    6,688.32x = 9,229.86 × 3,704.55
  4. Step 4: Simplify right side
    6,688.32x = 34,192,477.86
  5. Step 5: Solve for x
    x = 34,192,477.86/6,688.32
  6. Step 6: Final answer
    x = 5,112.27

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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.