Home / 8,771.22-13,158.88-5,999.19

Finding the Fourth Proportional to 8,771.22, 13,158.88 and 5,999.19

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Solution

The fourth proportional to 8,771.22, 13,158.88 and 5,999.19 is: 9,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.22 : 13,158.88 = 5,999.19 : x
  2. Step 2: Convert to fraction form
    8,771.22/13,158.88 = 5,999.19/x
  3. Step 3: Cross multiply
    8,771.22x = 13,158.88 × 5,999.19
  4. Step 4: Simplify right side
    8,771.22x = 78,942,655.66
  5. Step 5: Solve for x
    x = 78,942,655.66/8,771.22
  6. Step 6: Final answer
    x = 9,000.19

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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.