Home / 5,210.73-7,188.75-3,217.79

Finding the Fourth Proportional to 5,210.73, 7,188.75 and 3,217.79

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Solution

The fourth proportional to 5,210.73, 7,188.75 and 3,217.79 is: 4,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.73 : 7,188.75 = 3,217.79 : x
  2. Step 2: Convert to fraction form
    5,210.73/7,188.75 = 3,217.79/x
  3. Step 3: Cross multiply
    5,210.73x = 7,188.75 × 3,217.79
  4. Step 4: Simplify right side
    5,210.73x = 23,131,905.83
  5. Step 5: Solve for x
    x = 23,131,905.83/5,210.73
  6. Step 6: Final answer
    x = 4,439.28

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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.