Home / 6,688.49-9,229.92-3,704.30

Finding the Fourth Proportional to 6,688.49, 9,229.92 and 3,704.30

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Solution

The fourth proportional to 6,688.49, 9,229.92 and 3,704.30 is: 5,111.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.49 : 9,229.92 = 3,704.30 : x
  2. Step 2: Convert to fraction form
    6,688.49/9,229.92 = 3,704.30/x
  3. Step 3: Cross multiply
    6,688.49x = 9,229.92 × 3,704.30
  4. Step 4: Simplify right side
    6,688.49x = 34,190,346.51
  5. Step 5: Solve for x
    x = 34,190,346.51/6,688.49
  6. Step 6: Final answer
    x = 5,111.82

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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.