Home / 5,344.08-7,374.62-3,105.85

Finding the Fourth Proportional to 5,344.08, 7,374.62 and 3,105.85

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Solution

The fourth proportional to 5,344.08, 7,374.62 and 3,105.85 is: 4,285.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,344.08 : 7,374.62 = 3,105.85 : x
  2. Step 2: Convert to fraction form
    5,344.08/7,374.62 = 3,105.85/x
  3. Step 3: Cross multiply
    5,344.08x = 7,374.62 × 3,105.85
  4. Step 4: Simplify right side
    5,344.08x = 22,904,411.12
  5. Step 5: Solve for x
    x = 22,904,411.12/5,344.08
  6. Step 6: Final answer
    x = 4,285.94

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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.