Home / 5,233.55-7,218.86-3,107.50

Finding the Fourth Proportional to 5,233.55, 7,218.86 and 3,107.50

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Solution

The fourth proportional to 5,233.55, 7,218.86 and 3,107.50 is: 4,286.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.55 : 7,218.86 = 3,107.50 : x
  2. Step 2: Convert to fraction form
    5,233.55/7,218.86 = 3,107.50/x
  3. Step 3: Cross multiply
    5,233.55x = 7,218.86 × 3,107.50
  4. Step 4: Simplify right side
    5,233.55x = 22,432,573.87
  5. Step 5: Solve for x
    x = 22,432,573.87/5,233.55
  6. Step 6: Final answer
    x = 4,286.31

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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.