Home / 5,981.02-8,972.97-2,085.82

Finding the Fourth Proportional to 5,981.02, 8,972.97 and 2,085.82

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Solution

The fourth proportional to 5,981.02, 8,972.97 and 2,085.82 is: 3,129.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.02 : 8,972.97 = 2,085.82 : x
  2. Step 2: Convert to fraction form
    5,981.02/8,972.97 = 2,085.82/x
  3. Step 3: Cross multiply
    5,981.02x = 8,972.97 × 2,085.82
  4. Step 4: Simplify right side
    5,981.02x = 18,716,000.29
  5. Step 5: Solve for x
    x = 18,716,000.29/5,981.02
  6. Step 6: Final answer
    x = 3,129.23

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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.