Home / 5,118.73-7,673.47-1,831.07

Finding the Fourth Proportional to 5,118.73, 7,673.47 and 1,831.07

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Solution

The fourth proportional to 5,118.73, 7,673.47 and 1,831.07 is: 2,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.73 : 7,673.47 = 1,831.07 : x
  2. Step 2: Convert to fraction form
    5,118.73/7,673.47 = 1,831.07/x
  3. Step 3: Cross multiply
    5,118.73x = 7,673.47 × 1,831.07
  4. Step 4: Simplify right side
    5,118.73x = 14,050,675.32
  5. Step 5: Solve for x
    x = 14,050,675.32/5,118.73
  6. Step 6: Final answer
    x = 2,744.95

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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.