Home / 5,910-8,150.83-3,551.68

Finding the Fourth Proportional to 5,910, 8,150.83 and 3,551.68

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Solution

The fourth proportional to 5,910, 8,150.83 and 3,551.68 is: 4,898.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910 : 8,150.83 = 3,551.68 : x
  2. Step 2: Convert to fraction form
    5,910/8,150.83 = 3,551.68/x
  3. Step 3: Cross multiply
    5,910x = 8,150.83 × 3,551.68
  4. Step 4: Simplify right side
    5,910x = 28,949,139.89
  5. Step 5: Solve for x
    x = 28,949,139.89/5,910
  6. Step 6: Final answer
    x = 4,898.33

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Double scale
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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.