Home / 5,340.12-8,010.60-1,831.80

Finding the Fourth Proportional to 5,340.12, 8,010.60 and 1,831.80

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Solution

The fourth proportional to 5,340.12, 8,010.60 and 1,831.80 is: 2,747.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.12 : 8,010.60 = 1,831.80 : x
  2. Step 2: Convert to fraction form
    5,340.12/8,010.60 = 1,831.80/x
  3. Step 3: Cross multiply
    5,340.12x = 8,010.60 × 1,831.80
  4. Step 4: Simplify right side
    5,340.12x = 14,673,817.08
  5. Step 5: Solve for x
    x = 14,673,817.08/5,340.12
  6. Step 6: Final answer
    x = 2,747.84

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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.