Home / 8,343.81-11,498.56-5,981.85

Finding the Fourth Proportional to 8,343.81, 11,498.56 and 5,981.85

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Solution

The fourth proportional to 8,343.81, 11,498.56 and 5,981.85 is: 8,243.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.81 : 11,498.56 = 5,981.85 : x
  2. Step 2: Convert to fraction form
    8,343.81/11,498.56 = 5,981.85/x
  3. Step 3: Cross multiply
    8,343.81x = 11,498.56 × 5,981.85
  4. Step 4: Simplify right side
    8,343.81x = 68,782,661.14
  5. Step 5: Solve for x
    x = 68,782,661.14/8,343.81
  6. Step 6: Final answer
    x = 8,243.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.