Home / 5,722.28-8,580.36-2,947.82

Finding the Fourth Proportional to 5,722.28, 8,580.36 and 2,947.82

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Solution

The fourth proportional to 5,722.28, 8,580.36 and 2,947.82 is: 4,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722.28 : 8,580.36 = 2,947.82 : x
  2. Step 2: Convert to fraction form
    5,722.28/8,580.36 = 2,947.82/x
  3. Step 3: Cross multiply
    5,722.28x = 8,580.36 × 2,947.82
  4. Step 4: Simplify right side
    5,722.28x = 25,293,313.91
  5. Step 5: Solve for x
    x = 25,293,313.91/5,722.28
  6. Step 6: Final answer
    x = 4,420.15

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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.