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Finding the Fourth Proportional to 5,711.08, 7,880.08 and 3,351.84

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Solution

The fourth proportional to 5,711.08, 7,880.08 and 3,351.84 is: 4,624.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.08 : 7,880.08 = 3,351.84 : x
  2. Step 2: Convert to fraction form
    5,711.08/7,880.08 = 3,351.84/x
  3. Step 3: Cross multiply
    5,711.08x = 7,880.08 × 3,351.84
  4. Step 4: Simplify right side
    5,711.08x = 26,412,767.35
  5. Step 5: Solve for x
    x = 26,412,767.35/5,711.08
  6. Step 6: Final answer
    x = 4,624.83

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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.