Home / 5,981.48-8,972.52-1,821.17

Finding the Fourth Proportional to 5,981.48, 8,972.52 and 1,821.17

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Solution

The fourth proportional to 5,981.48, 8,972.52 and 1,821.17 is: 2,731.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.48 : 8,972.52 = 1,821.17 : x
  2. Step 2: Convert to fraction form
    5,981.48/8,972.52 = 1,821.17/x
  3. Step 3: Cross multiply
    5,981.48x = 8,972.52 × 1,821.17
  4. Step 4: Simplify right side
    5,981.48x = 16,340,439.39
  5. Step 5: Solve for x
    x = 16,340,439.39/5,981.48
  6. Step 6: Final answer
    x = 2,731.84

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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.