Home / 8,722.01-13,086.51-3,175.74

Finding the Fourth Proportional to 8,722.01, 13,086.51 and 3,175.74

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Solution

The fourth proportional to 8,722.01, 13,086.51 and 3,175.74 is: 4,764.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.01 : 13,086.51 = 3,175.74 : x
  2. Step 2: Convert to fraction form
    8,722.01/13,086.51 = 3,175.74/x
  3. Step 3: Cross multiply
    8,722.01x = 13,086.51 × 3,175.74
  4. Step 4: Simplify right side
    8,722.01x = 41,559,312.61
  5. Step 5: Solve for x
    x = 41,559,312.61/8,722.01
  6. Step 6: Final answer
    x = 4,764.88

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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.