Home / 5,811.44-8,720.58-2,301.78

Finding the Fourth Proportional to 5,811.44, 8,720.58 and 2,301.78

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Solution

The fourth proportional to 5,811.44, 8,720.58 and 2,301.78 is: 3,454.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.44 : 8,720.58 = 2,301.78 : x
  2. Step 2: Convert to fraction form
    5,811.44/8,720.58 = 2,301.78/x
  3. Step 3: Cross multiply
    5,811.44x = 8,720.58 × 2,301.78
  4. Step 4: Simplify right side
    5,811.44x = 20,072,856.63
  5. Step 5: Solve for x
    x = 20,072,856.63/5,811.44
  6. Step 6: Final answer
    x = 3,454.02

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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.