Home / 4,474.36-6,716.13-2,989.09

Finding the Fourth Proportional to 4,474.36, 6,716.13 and 2,989.09

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Solution

The fourth proportional to 4,474.36, 6,716.13 and 2,989.09 is: 4,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,474.36 : 6,716.13 = 2,989.09 : x
  2. Step 2: Convert to fraction form
    4,474.36/6,716.13 = 2,989.09/x
  3. Step 3: Cross multiply
    4,474.36x = 6,716.13 × 2,989.09
  4. Step 4: Simplify right side
    4,474.36x = 20,075,117.02
  5. Step 5: Solve for x
    x = 20,075,117.02/4,474.36
  6. Step 6: Final answer
    x = 4,486.70

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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.