Home / 8,758.32-13,129.09-2,910.82

Finding the Fourth Proportional to 8,758.32, 13,129.09 and 2,910.82

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Solution

The fourth proportional to 8,758.32, 13,129.09 and 2,910.82 is: 4,363.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.32 : 13,129.09 = 2,910.82 : x
  2. Step 2: Convert to fraction form
    8,758.32/13,129.09 = 2,910.82/x
  3. Step 3: Cross multiply
    8,758.32x = 13,129.09 × 2,910.82
  4. Step 4: Simplify right side
    8,758.32x = 38,216,417.75
  5. Step 5: Solve for x
    x = 38,216,417.75/8,758.32
  6. Step 6: Final answer
    x = 4,363.44

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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.