Home / 6,388.35-9,580.13-2,227.29

Finding the Fourth Proportional to 6,388.35, 9,580.13 and 2,227.29

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Solution

The fourth proportional to 6,388.35, 9,580.13 and 2,227.29 is: 3,340.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.35 : 9,580.13 = 2,227.29 : x
  2. Step 2: Convert to fraction form
    6,388.35/9,580.13 = 2,227.29/x
  3. Step 3: Cross multiply
    6,388.35x = 9,580.13 × 2,227.29
  4. Step 4: Simplify right side
    6,388.35x = 21,337,727.75
  5. Step 5: Solve for x
    x = 21,337,727.75/6,388.35
  6. Step 6: Final answer
    x = 3,340.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.