Home / 5,050.92-6,969.62-2,812.49

Finding the Fourth Proportional to 5,050.92, 6,969.62 and 2,812.49

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Solution

The fourth proportional to 5,050.92, 6,969.62 and 2,812.49 is: 3,880.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,050.92 : 6,969.62 = 2,812.49 : x
  2. Step 2: Convert to fraction form
    5,050.92/6,969.62 = 2,812.49/x
  3. Step 3: Cross multiply
    5,050.92x = 6,969.62 × 2,812.49
  4. Step 4: Simplify right side
    5,050.92x = 19,601,986.55
  5. Step 5: Solve for x
    x = 19,601,986.55/5,050.92
  6. Step 6: Final answer
    x = 3,880.87

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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.