Home / 7,328.28-10,974.60-3,433.80

Finding the Fourth Proportional to 7,328.28, 10,974.60 and 3,433.80

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Solution

The fourth proportional to 7,328.28, 10,974.60 and 3,433.80 is: 5,142.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.28 : 10,974.60 = 3,433.80 : x
  2. Step 2: Convert to fraction form
    7,328.28/10,974.60 = 3,433.80/x
  3. Step 3: Cross multiply
    7,328.28x = 10,974.60 × 3,433.80
  4. Step 4: Simplify right side
    7,328.28x = 37,684,581.48
  5. Step 5: Solve for x
    x = 37,684,581.48/7,328.28
  6. Step 6: Final answer
    x = 5,142.35

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1.5x scale

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.