Home / 9,186.98-13,778.40-2,613.02

Finding the Fourth Proportional to 9,186.98, 13,778.40 and 2,613.02

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Solution

The fourth proportional to 9,186.98, 13,778.40 and 2,613.02 is: 3,918.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.98 : 13,778.40 = 2,613.02 : x
  2. Step 2: Convert to fraction form
    9,186.98/13,778.40 = 2,613.02/x
  3. Step 3: Cross multiply
    9,186.98x = 13,778.40 × 2,613.02
  4. Step 4: Simplify right side
    9,186.98x = 36,003,234.77
  5. Step 5: Solve for x
    x = 36,003,234.77/9,186.98
  6. Step 6: Final answer
    x = 3,918.94

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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.