Home / 5,344.11-7,374.65-3,105.81

Finding the Fourth Proportional to 5,344.11, 7,374.65 and 3,105.81

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Solution

The fourth proportional to 5,344.11, 7,374.65 and 3,105.81 is: 4,285.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,344.11 : 7,374.65 = 3,105.81 : x
  2. Step 2: Convert to fraction form
    5,344.11/7,374.65 = 3,105.81/x
  3. Step 3: Cross multiply
    5,344.11x = 7,374.65 × 3,105.81
  4. Step 4: Simplify right side
    5,344.11x = 22,904,246.19
  5. Step 5: Solve for x
    x = 22,904,246.19/5,344.11
  6. Step 6: Final answer
    x = 4,285.89

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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.