Home / 4,106.16-5,664.40-3,109.68

Finding the Fourth Proportional to 4,106.16, 5,664.40 and 3,109.68

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Solution

The fourth proportional to 4,106.16, 5,664.40 and 3,109.68 is: 4,289.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,106.16 : 5,664.40 = 3,109.68 : x
  2. Step 2: Convert to fraction form
    4,106.16/5,664.40 = 3,109.68/x
  3. Step 3: Cross multiply
    4,106.16x = 5,664.40 × 3,109.68
  4. Step 4: Simplify right side
    4,106.16x = 17,614,471.39
  5. Step 5: Solve for x
    x = 17,614,471.39/4,106.16
  6. Step 6: Final answer
    x = 4,289.77

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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.