Home / 5,765.48-8,648.20-3,298.56

Finding the Fourth Proportional to 5,765.48, 8,648.20 and 3,298.56

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Solution

The fourth proportional to 5,765.48, 8,648.20 and 3,298.56 is: 4,947.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,765.48 : 8,648.20 = 3,298.56 : x
  2. Step 2: Convert to fraction form
    5,765.48/8,648.20 = 3,298.56/x
  3. Step 3: Cross multiply
    5,765.48x = 8,648.20 × 3,298.56
  4. Step 4: Simplify right side
    5,765.48x = 28,526,606.59
  5. Step 5: Solve for x
    x = 28,526,606.59/5,765.48
  6. Step 6: Final answer
    x = 4,947.83

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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.