Home / 5,579.37-7,699.78-3,340.82

Finding the Fourth Proportional to 5,579.37, 7,699.78 and 3,340.82

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Solution

The fourth proportional to 5,579.37, 7,699.78 and 3,340.82 is: 4,610.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.37 : 7,699.78 = 3,340.82 : x
  2. Step 2: Convert to fraction form
    5,579.37/7,699.78 = 3,340.82/x
  3. Step 3: Cross multiply
    5,579.37x = 7,699.78 × 3,340.82
  4. Step 4: Simplify right side
    5,579.37x = 25,723,579.02
  5. Step 5: Solve for x
    x = 25,723,579.02/5,579.37
  6. Step 6: Final answer
    x = 4,610.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.