Home / 6,688.81-9,230.39-3,704.60

Finding the Fourth Proportional to 6,688.81, 9,230.39 and 3,704.60

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Solution

The fourth proportional to 6,688.81, 9,230.39 and 3,704.60 is: 5,112.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.81 : 9,230.39 = 3,704.60 : x
  2. Step 2: Convert to fraction form
    6,688.81/9,230.39 = 3,704.60/x
  3. Step 3: Cross multiply
    6,688.81x = 9,230.39 × 3,704.60
  4. Step 4: Simplify right side
    6,688.81x = 34,194,921.24
  5. Step 5: Solve for x
    x = 34,194,921.24/6,688.81
  6. Step 6: Final answer
    x = 5,112.26

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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.