Home / 6,732.10-9,288.89-3,899.30

Finding the Fourth Proportional to 6,732.10, 9,288.89 and 3,899.30

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Solution

The fourth proportional to 6,732.10, 9,288.89 and 3,899.30 is: 5,380.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,732.10 : 9,288.89 = 3,899.30 : x
  2. Step 2: Convert to fraction form
    6,732.10/9,288.89 = 3,899.30/x
  3. Step 3: Cross multiply
    6,732.10x = 9,288.89 × 3,899.30
  4. Step 4: Simplify right side
    6,732.10x = 36,220,187.13
  5. Step 5: Solve for x
    x = 36,220,187.13/6,732.10
  6. Step 6: Final answer
    x = 5,380.22

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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.