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Finding the Fourth Proportional to 4,836.74, 7,242.71 and 3,353.85

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Solution

The fourth proportional to 4,836.74, 7,242.71 and 3,353.85 is: 5,022.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,836.74 : 7,242.71 = 3,353.85 : x
  2. Step 2: Convert to fraction form
    4,836.74/7,242.71 = 3,353.85/x
  3. Step 3: Cross multiply
    4,836.74x = 7,242.71 × 3,353.85
  4. Step 4: Simplify right side
    4,836.74x = 24,290,946.16
  5. Step 5: Solve for x
    x = 24,290,946.16/4,836.74
  6. Step 6: Final answer
    x = 5,022.18

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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.