Home / 4,107.71-6,161.47-2,788.17

Finding the Fourth Proportional to 4,107.71, 6,161.47 and 2,788.17

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Solution

The fourth proportional to 4,107.71, 6,161.47 and 2,788.17 is: 4,182.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.71 : 6,161.47 = 2,788.17 : x
  2. Step 2: Convert to fraction form
    4,107.71/6,161.47 = 2,788.17/x
  3. Step 3: Cross multiply
    4,107.71x = 6,161.47 × 2,788.17
  4. Step 4: Simplify right side
    4,107.71x = 17,179,225.81
  5. Step 5: Solve for x
    x = 17,179,225.81/4,107.71
  6. Step 6: Final answer
    x = 4,182.19

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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.