Home / 5,818.70-8,724.73-3,972.05

Finding the Fourth Proportional to 5,818.70, 8,724.73 and 3,972.05

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Solution

The fourth proportional to 5,818.70, 8,724.73 and 3,972.05 is: 5,955.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.70 : 8,724.73 = 3,972.05 : x
  2. Step 2: Convert to fraction form
    5,818.70/8,724.73 = 3,972.05/x
  3. Step 3: Cross multiply
    5,818.70x = 8,724.73 × 3,972.05
  4. Step 4: Simplify right side
    5,818.70x = 34,655,063.80
  5. Step 5: Solve for x
    x = 34,655,063.80/5,818.70
  6. Step 6: Final answer
    x = 5,955.81

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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.