Home / 5,719.64-8,572.26-2,428.88

Finding the Fourth Proportional to 5,719.64, 8,572.26 and 2,428.88

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Solution

The fourth proportional to 5,719.64, 8,572.26 and 2,428.88 is: 3,640.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.64 : 8,572.26 = 2,428.88 : x
  2. Step 2: Convert to fraction form
    5,719.64/8,572.26 = 2,428.88/x
  3. Step 3: Cross multiply
    5,719.64x = 8,572.26 × 2,428.88
  4. Step 4: Simplify right side
    5,719.64x = 20,820,990.87
  5. Step 5: Solve for x
    x = 20,820,990.87/5,719.64
  6. Step 6: Final answer
    x = 3,640.26

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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.