Home / 8,838.46-13,257.72-2,999.20

Finding the Fourth Proportional to 8,838.46, 13,257.72 and 2,999.20

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Solution

The fourth proportional to 8,838.46, 13,257.72 and 2,999.20 is: 4,498.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,838.46 : 13,257.72 = 2,999.20 : x
  2. Step 2: Convert to fraction form
    8,838.46/13,257.72 = 2,999.20/x
  3. Step 3: Cross multiply
    8,838.46x = 13,257.72 × 2,999.20
  4. Step 4: Simplify right side
    8,838.46x = 39,762,553.82
  5. Step 5: Solve for x
    x = 39,762,553.82/8,838.46
  6. Step 6: Final answer
    x = 4,498.81

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1.5x scale

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.