Home / 6,687.20-9,228.27-3,703.01

Finding the Fourth Proportional to 6,687.20, 9,228.27 and 3,703.01

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Solution

The fourth proportional to 6,687.20, 9,228.27 and 3,703.01 is: 5,110.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.20 : 9,228.27 = 3,703.01 : x
  2. Step 2: Convert to fraction form
    6,687.20/9,228.27 = 3,703.01/x
  3. Step 3: Cross multiply
    6,687.20x = 9,228.27 × 3,703.01
  4. Step 4: Simplify right side
    6,687.20x = 34,172,376.09
  5. Step 5: Solve for x
    x = 34,172,376.09/6,687.20
  6. Step 6: Final answer
    x = 5,110.12

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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.