Home / 5,599.75-8,379.12-5,299.35

Finding the Fourth Proportional to 5,599.75, 8,379.12 and 5,299.35

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Solution

The fourth proportional to 5,599.75, 8,379.12 and 5,299.35 is: 7,929.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.75 : 8,379.12 = 5,299.35 : x
  2. Step 2: Convert to fraction form
    5,599.75/8,379.12 = 5,299.35/x
  3. Step 3: Cross multiply
    5,599.75x = 8,379.12 × 5,299.35
  4. Step 4: Simplify right side
    5,599.75x = 44,403,847.68
  5. Step 5: Solve for x
    x = 44,403,847.68/5,599.75
  6. Step 6: Final answer
    x = 7,929.61

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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.