Home / 5,990.82-8,986.59-1,831.11

Finding the Fourth Proportional to 5,990.82, 8,986.59 and 1,831.11

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Solution

The fourth proportional to 5,990.82, 8,986.59 and 1,831.11 is: 2,746.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.82 : 8,986.59 = 1,831.11 : x
  2. Step 2: Convert to fraction form
    5,990.82/8,986.59 = 1,831.11/x
  3. Step 3: Cross multiply
    5,990.82x = 8,986.59 × 1,831.11
  4. Step 4: Simplify right side
    5,990.82x = 16,455,434.81
  5. Step 5: Solve for x
    x = 16,455,434.81/5,990.82
  6. Step 6: Final answer
    x = 2,746.78

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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.