Home / 8,563.19-12,847.55-2,719.85

Finding the Fourth Proportional to 8,563.19, 12,847.55 and 2,719.85

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Solution

The fourth proportional to 8,563.19, 12,847.55 and 2,719.85 is: 4,080.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,563.19 : 12,847.55 = 2,719.85 : x
  2. Step 2: Convert to fraction form
    8,563.19/12,847.55 = 2,719.85/x
  3. Step 3: Cross multiply
    8,563.19x = 12,847.55 × 2,719.85
  4. Step 4: Simplify right side
    8,563.19x = 34,943,331.03
  5. Step 5: Solve for x
    x = 34,943,331.03/8,563.19
  6. Step 6: Final answer
    x = 4,080.65

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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.