Home / 8,723.20-13,082.96-2,878.44

Finding the Fourth Proportional to 8,723.20, 13,082.96 and 2,878.44

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Solution

The fourth proportional to 8,723.20, 13,082.96 and 2,878.44 is: 4,317.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.20 : 13,082.96 = 2,878.44 : x
  2. Step 2: Convert to fraction form
    8,723.20/13,082.96 = 2,878.44/x
  3. Step 3: Cross multiply
    8,723.20x = 13,082.96 × 2,878.44
  4. Step 4: Simplify right side
    8,723.20x = 37,658,515.38
  5. Step 5: Solve for x
    x = 37,658,515.38/8,723.20
  6. Step 6: Final answer
    x = 4,317.05

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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.