Home / 7,831.18-11,748.07-3,882.62

Finding the Fourth Proportional to 7,831.18, 11,748.07 and 3,882.62

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Solution

The fourth proportional to 7,831.18, 11,748.07 and 3,882.62 is: 5,824.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.18 : 11,748.07 = 3,882.62 : x
  2. Step 2: Convert to fraction form
    7,831.18/11,748.07 = 3,882.62/x
  3. Step 3: Cross multiply
    7,831.18x = 11,748.07 × 3,882.62
  4. Step 4: Simplify right side
    7,831.18x = 45,613,325.77
  5. Step 5: Solve for x
    x = 45,613,325.77/7,831.18
  6. Step 6: Final answer
    x = 5,824.58

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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.