Home / 5,856.28-8,776.62-2,155.09

Finding the Fourth Proportional to 5,856.28, 8,776.62 and 2,155.09

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Solution

The fourth proportional to 5,856.28, 8,776.62 and 2,155.09 is: 3,229.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,856.28 : 8,776.62 = 2,155.09 : x
  2. Step 2: Convert to fraction form
    5,856.28/8,776.62 = 2,155.09/x
  3. Step 3: Cross multiply
    5,856.28x = 8,776.62 × 2,155.09
  4. Step 4: Simplify right side
    5,856.28x = 18,914,406.00
  5. Step 5: Solve for x
    x = 18,914,406.00/5,856.28
  6. Step 6: Final answer
    x = 3,229.76

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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.