Home / 5,821.78-8,726.46-2,306.92

Finding the Fourth Proportional to 5,821.78, 8,726.46 and 2,306.92

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Solution

The fourth proportional to 5,821.78, 8,726.46 and 2,306.92 is: 3,457.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821.78 : 8,726.46 = 2,306.92 : x
  2. Step 2: Convert to fraction form
    5,821.78/8,726.46 = 2,306.92/x
  3. Step 3: Cross multiply
    5,821.78x = 8,726.46 × 2,306.92
  4. Step 4: Simplify right side
    5,821.78x = 20,131,245.10
  5. Step 5: Solve for x
    x = 20,131,245.10/5,821.78
  6. Step 6: Final answer
    x = 3,457.92

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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.