Home / 4,409.79-6,614.69-2,100.75

Finding the Fourth Proportional to 4,409.79, 6,614.69 and 2,100.75

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Solution

The fourth proportional to 4,409.79, 6,614.69 and 2,100.75 is: 3,151.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,409.79 : 6,614.69 = 2,100.75 : x
  2. Step 2: Convert to fraction form
    4,409.79/6,614.69 = 2,100.75/x
  3. Step 3: Cross multiply
    4,409.79x = 6,614.69 × 2,100.75
  4. Step 4: Simplify right side
    4,409.79x = 13,895,799.51
  5. Step 5: Solve for x
    x = 13,895,799.51/4,409.79
  6. Step 6: Final answer
    x = 3,151.13

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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.