Home / 5,439.83-8,155.13-2,664.14

Finding the Fourth Proportional to 5,439.83, 8,155.13 and 2,664.14

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Solution

The fourth proportional to 5,439.83, 8,155.13 and 2,664.14 is: 3,993.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.83 : 8,155.13 = 2,664.14 : x
  2. Step 2: Convert to fraction form
    5,439.83/8,155.13 = 2,664.14/x
  3. Step 3: Cross multiply
    5,439.83x = 8,155.13 × 2,664.14
  4. Step 4: Simplify right side
    5,439.83x = 21,726,353.94
  5. Step 5: Solve for x
    x = 21,726,353.94/5,439.83
  6. Step 6: Final answer
    x = 3,993.94

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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.