Home / 5,140.97-7,087.11-3,369.50

Finding the Fourth Proportional to 5,140.97, 7,087.11 and 3,369.50

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Solution

The fourth proportional to 5,140.97, 7,087.11 and 3,369.50 is: 4,645.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.97 : 7,087.11 = 3,369.50 : x
  2. Step 2: Convert to fraction form
    5,140.97/7,087.11 = 3,369.50/x
  3. Step 3: Cross multiply
    5,140.97x = 7,087.11 × 3,369.50
  4. Step 4: Simplify right side
    5,140.97x = 23,880,017.15
  5. Step 5: Solve for x
    x = 23,880,017.15/5,140.97
  6. Step 6: Final answer
    x = 4,645.04

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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.