Home / 8,758.91-13,137.93-2,518.87

Finding the Fourth Proportional to 8,758.91, 13,137.93 and 2,518.87

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Solution

The fourth proportional to 8,758.91, 13,137.93 and 2,518.87 is: 3,778.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.91 : 13,137.93 = 2,518.87 : x
  2. Step 2: Convert to fraction form
    8,758.91/13,137.93 = 2,518.87/x
  3. Step 3: Cross multiply
    8,758.91x = 13,137.93 × 2,518.87
  4. Step 4: Simplify right side
    8,758.91x = 33,092,729.53
  5. Step 5: Solve for x
    x = 33,092,729.53/8,758.91
  6. Step 6: Final answer
    x = 3,778.18

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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.