Home / 5,208.14-7,188.51-3,217.51

Finding the Fourth Proportional to 5,208.14, 7,188.51 and 3,217.51

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Solution

The fourth proportional to 5,208.14, 7,188.51 and 3,217.51 is: 4,440.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.14 : 7,188.51 = 3,217.51 : x
  2. Step 2: Convert to fraction form
    5,208.14/7,188.51 = 3,217.51/x
  3. Step 3: Cross multiply
    5,208.14x = 7,188.51 × 3,217.51
  4. Step 4: Simplify right side
    5,208.14x = 23,129,100.18
  5. Step 5: Solve for x
    x = 23,129,100.18/5,208.14
  6. Step 6: Final answer
    x = 4,440.96

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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.