Home / 5,679.12-8,519.94-4,235.52

Finding the Fourth Proportional to 5,679.12, 8,519.94 and 4,235.52

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Solution

The fourth proportional to 5,679.12, 8,519.94 and 4,235.52 is: 6,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.12 : 8,519.94 = 4,235.52 : x
  2. Step 2: Convert to fraction form
    5,679.12/8,519.94 = 4,235.52/x
  3. Step 3: Cross multiply
    5,679.12x = 8,519.94 × 4,235.52
  4. Step 4: Simplify right side
    5,679.12x = 36,086,376.27
  5. Step 5: Solve for x
    x = 36,086,376.27/5,679.12
  6. Step 6: Final answer
    x = 6,354.22

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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.