Home / 5,660.72-8,491.44-1,765.28

Finding the Fourth Proportional to 5,660.72, 8,491.44 and 1,765.28

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Solution

The fourth proportional to 5,660.72, 8,491.44 and 1,765.28 is: 2,648.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.72 : 8,491.44 = 1,765.28 : x
  2. Step 2: Convert to fraction form
    5,660.72/8,491.44 = 1,765.28/x
  3. Step 3: Cross multiply
    5,660.72x = 8,491.44 × 1,765.28
  4. Step 4: Simplify right side
    5,660.72x = 14,989,769.20
  5. Step 5: Solve for x
    x = 14,989,769.20/5,660.72
  6. Step 6: Final answer
    x = 2,648.03

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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.