Home / 5,821.62-8,732.46-1,661.70

Finding the Fourth Proportional to 5,821.62, 8,732.46 and 1,661.70

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Solution

The fourth proportional to 5,821.62, 8,732.46 and 1,661.70 is: 2,492.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821.62 : 8,732.46 = 1,661.70 : x
  2. Step 2: Convert to fraction form
    5,821.62/8,732.46 = 1,661.70/x
  3. Step 3: Cross multiply
    5,821.62x = 8,732.46 × 1,661.70
  4. Step 4: Simplify right side
    5,821.62x = 14,510,728.78
  5. Step 5: Solve for x
    x = 14,510,728.78/5,821.62
  6. Step 6: Final answer
    x = 2,492.56

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1.5x scale

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.