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Finding the Fourth Proportional to 4,487.84, 6,728.51 and 2,294.90

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Solution

The fourth proportional to 4,487.84, 6,728.51 and 2,294.90 is: 3,440.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.84 : 6,728.51 = 2,294.90 : x
  2. Step 2: Convert to fraction form
    4,487.84/6,728.51 = 2,294.90/x
  3. Step 3: Cross multiply
    4,487.84x = 6,728.51 × 2,294.90
  4. Step 4: Simplify right side
    4,487.84x = 15,441,212.48
  5. Step 5: Solve for x
    x = 15,441,212.48/4,487.84
  6. Step 6: Final answer
    x = 3,440.68

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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.