Home / 4,666.28-6,440.82-3,728.60

Finding the Fourth Proportional to 4,666.28, 6,440.82 and 3,728.60

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Solution

The fourth proportional to 4,666.28, 6,440.82 and 3,728.60 is: 5,146.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666.28 : 6,440.82 = 3,728.60 : x
  2. Step 2: Convert to fraction form
    4,666.28/6,440.82 = 3,728.60/x
  3. Step 3: Cross multiply
    4,666.28x = 6,440.82 × 3,728.60
  4. Step 4: Simplify right side
    4,666.28x = 24,015,241.45
  5. Step 5: Solve for x
    x = 24,015,241.45/4,666.28
  6. Step 6: Final answer
    x = 5,146.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.