Home / 4,687.28-7,018.15-3,298.54

Finding the Fourth Proportional to 4,687.28, 7,018.15 and 3,298.54

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Solution

The fourth proportional to 4,687.28, 7,018.15 and 3,298.54 is: 4,938.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.28 : 7,018.15 = 3,298.54 : x
  2. Step 2: Convert to fraction form
    4,687.28/7,018.15 = 3,298.54/x
  3. Step 3: Cross multiply
    4,687.28x = 7,018.15 × 3,298.54
  4. Step 4: Simplify right side
    4,687.28x = 23,149,621.66
  5. Step 5: Solve for x
    x = 23,149,621.66/4,687.28
  6. Step 6: Final answer
    x = 4,938.82

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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.