Home / 5,719.28-8,580.76-2,600.40

Finding the Fourth Proportional to 5,719.28, 8,580.76 and 2,600.40

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Solution

The fourth proportional to 5,719.28, 8,580.76 and 2,600.40 is: 3,901.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.28 : 8,580.76 = 2,600.40 : x
  2. Step 2: Convert to fraction form
    5,719.28/8,580.76 = 2,600.40/x
  3. Step 3: Cross multiply
    5,719.28x = 8,580.76 × 2,600.40
  4. Step 4: Simplify right side
    5,719.28x = 22,313,408.30
  5. Step 5: Solve for x
    x = 22,313,408.30/5,719.28
  6. Step 6: Final answer
    x = 3,901.44

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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.