Home / 6,688.62-9,230.57-3,704.40

Finding the Fourth Proportional to 6,688.62, 9,230.57 and 3,704.40

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Solution

The fourth proportional to 6,688.62, 9,230.57 and 3,704.40 is: 5,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.62 : 9,230.57 = 3,704.40 : x
  2. Step 2: Convert to fraction form
    6,688.62/9,230.57 = 3,704.40/x
  3. Step 3: Cross multiply
    6,688.62x = 9,230.57 × 3,704.40
  4. Step 4: Simplify right side
    6,688.62x = 34,193,723.51
  5. Step 5: Solve for x
    x = 34,193,723.51/6,688.62
  6. Step 6: Final answer
    x = 5,112.22

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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.