Home / 8,819.74-13,223.12-4,205.98

Finding the Fourth Proportional to 8,819.74, 13,223.12 and 4,205.98

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Solution

The fourth proportional to 8,819.74, 13,223.12 and 4,205.98 is: 6,305.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.74 : 13,223.12 = 4,205.98 : x
  2. Step 2: Convert to fraction form
    8,819.74/13,223.12 = 4,205.98/x
  3. Step 3: Cross multiply
    8,819.74x = 13,223.12 × 4,205.98
  4. Step 4: Simplify right side
    8,819.74x = 55,616,178.26
  5. Step 5: Solve for x
    x = 55,616,178.26/8,819.74
  6. Step 6: Final answer
    x = 6,305.88

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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.