Home / 4,831.18-7,247.68-1,909.51

Finding the Fourth Proportional to 4,831.18, 7,247.68 and 1,909.51

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Solution

The fourth proportional to 4,831.18, 7,247.68 and 1,909.51 is: 2,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.18 : 7,247.68 = 1,909.51 : x
  2. Step 2: Convert to fraction form
    4,831.18/7,247.68 = 1,909.51/x
  3. Step 3: Cross multiply
    4,831.18x = 7,247.68 × 1,909.51
  4. Step 4: Simplify right side
    4,831.18x = 13,839,494.54
  5. Step 5: Solve for x
    x = 13,839,494.54/4,831.18
  6. Step 6: Final answer
    x = 2,864.62

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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.