Home / 5,680.85-8,519.27-2,171.84

Finding the Fourth Proportional to 5,680.85, 8,519.27 and 2,171.84

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Solution

The fourth proportional to 5,680.85, 8,519.27 and 2,171.84 is: 3,256.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.85 : 8,519.27 = 2,171.84 : x
  2. Step 2: Convert to fraction form
    5,680.85/8,519.27 = 2,171.84/x
  3. Step 3: Cross multiply
    5,680.85x = 8,519.27 × 2,171.84
  4. Step 4: Simplify right side
    5,680.85x = 18,502,437.90
  5. Step 5: Solve for x
    x = 18,502,437.90/5,680.85
  6. Step 6: Final answer
    x = 3,256.99

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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.