Home / 4,409.53-6,616.89-1,638.15

Finding the Fourth Proportional to 4,409.53, 6,616.89 and 1,638.15

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Solution

The fourth proportional to 4,409.53, 6,616.89 and 1,638.15 is: 2,458.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,409.53 : 6,616.89 = 1,638.15 : x
  2. Step 2: Convert to fraction form
    4,409.53/6,616.89 = 1,638.15/x
  3. Step 3: Cross multiply
    4,409.53x = 6,616.89 × 1,638.15
  4. Step 4: Simplify right side
    4,409.53x = 10,839,458.35
  5. Step 5: Solve for x
    x = 10,839,458.35/4,409.53
  6. Step 6: Final answer
    x = 2,458.19

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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.