Home / 4,831.75-7,248.09-1,909.38

Finding the Fourth Proportional to 4,831.75, 7,248.09 and 1,909.38

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Solution

The fourth proportional to 4,831.75, 7,248.09 and 1,909.38 is: 2,864.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,831.75 : 7,248.09 = 1,909.38 : x
  2. Step 2: Convert to fraction form
    4,831.75/7,248.09 = 1,909.38/x
  3. Step 3: Cross multiply
    4,831.75x = 7,248.09 × 1,909.38
  4. Step 4: Simplify right side
    4,831.75x = 13,839,358.08
  5. Step 5: Solve for x
    x = 13,839,358.08/4,831.75
  6. Step 6: Final answer
    x = 2,864.25

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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.