Home / 4,245.28-6,355.36-3,154.48

Finding the Fourth Proportional to 4,245.28, 6,355.36 and 3,154.48

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Solution

The fourth proportional to 4,245.28, 6,355.36 and 3,154.48 is: 4,722.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.28 : 6,355.36 = 3,154.48 : x
  2. Step 2: Convert to fraction form
    4,245.28/6,355.36 = 3,154.48/x
  3. Step 3: Cross multiply
    4,245.28x = 6,355.36 × 3,154.48
  4. Step 4: Simplify right side
    4,245.28x = 20,047,816.35
  5. Step 5: Solve for x
    x = 20,047,816.35/4,245.28
  6. Step 6: Final answer
    x = 4,722.38

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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.