Home / 7,280.28-10,903.50-3,571.02

Finding the Fourth Proportional to 7,280.28, 10,903.50 and 3,571.02

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Solution

The fourth proportional to 7,280.28, 10,903.50 and 3,571.02 is: 5,348.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.28 : 10,903.50 = 3,571.02 : x
  2. Step 2: Convert to fraction form
    7,280.28/10,903.50 = 3,571.02/x
  3. Step 3: Cross multiply
    7,280.28x = 10,903.50 × 3,571.02
  4. Step 4: Simplify right side
    7,280.28x = 38,936,616.57
  5. Step 5: Solve for x
    x = 38,936,616.57/7,280.28
  6. Step 6: Final answer
    x = 5,348.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.