Home / 4,484.28-6,728.34-4,102.20

Finding the Fourth Proportional to 4,484.28, 6,728.34 and 4,102.20

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Solution

The fourth proportional to 4,484.28, 6,728.34 and 4,102.20 is: 6,155.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,484.28 : 6,728.34 = 4,102.20 : x
  2. Step 2: Convert to fraction form
    4,484.28/6,728.34 = 4,102.20/x
  3. Step 3: Cross multiply
    4,484.28x = 6,728.34 × 4,102.20
  4. Step 4: Simplify right side
    4,484.28x = 27,600,996.35
  5. Step 5: Solve for x
    x = 27,600,996.35/4,484.28
  6. Step 6: Final answer
    x = 6,155.06

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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.