Home / 5,339.11-8,010.98-2,219.80

Finding the Fourth Proportional to 5,339.11, 8,010.98 and 2,219.80

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Solution

The fourth proportional to 5,339.11, 8,010.98 and 2,219.80 is: 3,330.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.11 : 8,010.98 = 2,219.80 : x
  2. Step 2: Convert to fraction form
    5,339.11/8,010.98 = 2,219.80/x
  3. Step 3: Cross multiply
    5,339.11x = 8,010.98 × 2,219.80
  4. Step 4: Simplify right side
    5,339.11x = 17,782,773.40
  5. Step 5: Solve for x
    x = 17,782,773.40/5,339.11
  6. Step 6: Final answer
    x = 3,330.66

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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.