Home / 8,770.98-13,156.26-4,085.94

Finding the Fourth Proportional to 8,770.98, 13,156.26 and 4,085.94

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Solution

The fourth proportional to 8,770.98, 13,156.26 and 4,085.94 is: 6,128.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.98 : 13,156.26 = 4,085.94 : x
  2. Step 2: Convert to fraction form
    8,770.98/13,156.26 = 4,085.94/x
  3. Step 3: Cross multiply
    8,770.98x = 13,156.26 × 4,085.94
  4. Step 4: Simplify right side
    8,770.98x = 53,755,623.20
  5. Step 5: Solve for x
    x = 53,755,623.20/8,770.98
  6. Step 6: Final answer
    x = 6,128.81

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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.