Home / 5,785.15-8,676.13-2,821.99

Finding the Fourth Proportional to 5,785.15, 8,676.13 and 2,821.99

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Solution

The fourth proportional to 5,785.15, 8,676.13 and 2,821.99 is: 4,232.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.15 : 8,676.13 = 2,821.99 : x
  2. Step 2: Convert to fraction form
    5,785.15/8,676.13 = 2,821.99/x
  3. Step 3: Cross multiply
    5,785.15x = 8,676.13 × 2,821.99
  4. Step 4: Simplify right side
    5,785.15x = 24,483,933.01
  5. Step 5: Solve for x
    x = 24,483,933.01/5,785.15
  6. Step 6: Final answer
    x = 4,232.21

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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.