Home / 7,110.27-9,812.10-3,923.60

Finding the Fourth Proportional to 7,110.27, 9,812.10 and 3,923.60

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Solution

The fourth proportional to 7,110.27, 9,812.10 and 3,923.60 is: 5,414.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.27 : 9,812.10 = 3,923.60 : x
  2. Step 2: Convert to fraction form
    7,110.27/9,812.10 = 3,923.60/x
  3. Step 3: Cross multiply
    7,110.27x = 9,812.10 × 3,923.60
  4. Step 4: Simplify right side
    7,110.27x = 38,498,721.21
  5. Step 5: Solve for x
    x = 38,498,721.21/7,110.27
  6. Step 6: Final answer
    x = 5,414.52

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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.