Home / 4,980.53-7,471.41-1,649.11

Finding the Fourth Proportional to 4,980.53, 7,471.41 and 1,649.11

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Solution

The fourth proportional to 4,980.53, 7,471.41 and 1,649.11 is: 2,473.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.53 : 7,471.41 = 1,649.11 : x
  2. Step 2: Convert to fraction form
    4,980.53/7,471.41 = 1,649.11/x
  3. Step 3: Cross multiply
    4,980.53x = 7,471.41 × 1,649.11
  4. Step 4: Simplify right side
    4,980.53x = 12,321,176.95
  5. Step 5: Solve for x
    x = 12,321,176.95/4,980.53
  6. Step 6: Final answer
    x = 2,473.87

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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.