Home / 4,107.16-5,665.78-3,110.68

Finding the Fourth Proportional to 4,107.16, 5,665.78 and 3,110.68

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Solution

The fourth proportional to 4,107.16, 5,665.78 and 3,110.68 is: 4,291.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.16 : 5,665.78 = 3,110.68 : x
  2. Step 2: Convert to fraction form
    4,107.16/5,665.78 = 3,110.68/x
  3. Step 3: Cross multiply
    4,107.16x = 5,665.78 × 3,110.68
  4. Step 4: Simplify right side
    4,107.16x = 17,624,428.53
  5. Step 5: Solve for x
    x = 17,624,428.53/4,107.16
  6. Step 6: Final answer
    x = 4,291.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.