Home / 8,448.45-12,664.84-4,008.20

Finding the Fourth Proportional to 8,448.45, 12,664.84 and 4,008.20

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Solution

The fourth proportional to 8,448.45, 12,664.84 and 4,008.20 is: 6,008.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.45 : 12,664.84 = 4,008.20 : x
  2. Step 2: Convert to fraction form
    8,448.45/12,664.84 = 4,008.20/x
  3. Step 3: Cross multiply
    8,448.45x = 12,664.84 × 4,008.20
  4. Step 4: Simplify right side
    8,448.45x = 50,763,211.69
  5. Step 5: Solve for x
    x = 50,763,211.69/8,448.45
  6. Step 6: Final answer
    x = 6,008.58

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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.