Home / 5,981.46-8,972.23-2,085.87

Finding the Fourth Proportional to 5,981.46, 8,972.23 and 2,085.87

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Solution

The fourth proportional to 5,981.46, 8,972.23 and 2,085.87 is: 3,128.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.46 : 8,972.23 = 2,085.87 : x
  2. Step 2: Convert to fraction form
    5,981.46/8,972.23 = 2,085.87/x
  3. Step 3: Cross multiply
    5,981.46x = 8,972.23 × 2,085.87
  4. Step 4: Simplify right side
    5,981.46x = 18,714,900.18
  5. Step 5: Solve for x
    x = 18,714,900.18/5,981.46
  6. Step 6: Final answer
    x = 3,128.82

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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.