Home / 7,831.68-11,734.92-5,358.12

Finding the Fourth Proportional to 7,831.68, 11,734.92 and 5,358.12

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Solution

The fourth proportional to 7,831.68, 11,734.92 and 5,358.12 is: 8,028.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.68 : 11,734.92 = 5,358.12 : x
  2. Step 2: Convert to fraction form
    7,831.68/11,734.92 = 5,358.12/x
  3. Step 3: Cross multiply
    7,831.68x = 11,734.92 × 5,358.12
  4. Step 4: Simplify right side
    7,831.68x = 62,877,109.55
  5. Step 5: Solve for x
    x = 62,877,109.55/7,831.68
  6. Step 6: Final answer
    x = 8,028.56

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1.5x scale

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.