Home / 5,208.84-7,188.30-2,850.93

Finding the Fourth Proportional to 5,208.84, 7,188.30 and 2,850.93

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Solution

The fourth proportional to 5,208.84, 7,188.30 and 2,850.93 is: 3,934.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.84 : 7,188.30 = 2,850.93 : x
  2. Step 2: Convert to fraction form
    5,208.84/7,188.30 = 2,850.93/x
  3. Step 3: Cross multiply
    5,208.84x = 7,188.30 × 2,850.93
  4. Step 4: Simplify right side
    5,208.84x = 20,493,340.12
  5. Step 5: Solve for x
    x = 20,493,340.12/5,208.84
  6. Step 6: Final answer
    x = 3,934.34

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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.