Home / 5,087.50-7,020.36-3,097.84

Finding the Fourth Proportional to 5,087.50, 7,020.36 and 3,097.84

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Solution

The fourth proportional to 5,087.50, 7,020.36 and 3,097.84 is: 4,274.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.50 : 7,020.36 = 3,097.84 : x
  2. Step 2: Convert to fraction form
    5,087.50/7,020.36 = 3,097.84/x
  3. Step 3: Cross multiply
    5,087.50x = 7,020.36 × 3,097.84
  4. Step 4: Simplify right side
    5,087.50x = 21,747,952.02
  5. Step 5: Solve for x
    x = 21,747,952.02/5,087.50
  6. Step 6: Final answer
    x = 4,274.78

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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.