Home / 6,219.28-9,330.12-2,756.56

Finding the Fourth Proportional to 6,219.28, 9,330.12 and 2,756.56

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Solution

The fourth proportional to 6,219.28, 9,330.12 and 2,756.56 is: 4,135.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,219.28 : 9,330.12 = 2,756.56 : x
  2. Step 2: Convert to fraction form
    6,219.28/9,330.12 = 2,756.56/x
  3. Step 3: Cross multiply
    6,219.28x = 9,330.12 × 2,756.56
  4. Step 4: Simplify right side
    6,219.28x = 25,719,035.59
  5. Step 5: Solve for x
    x = 25,719,035.59/6,219.28
  6. Step 6: Final answer
    x = 4,135.37

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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.