Home / 8,448.50-12,672.78-2,903.44

Finding the Fourth Proportional to 8,448.50, 12,672.78 and 2,903.44

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Solution

The fourth proportional to 8,448.50, 12,672.78 and 2,903.44 is: 4,355.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.50 : 12,672.78 = 2,903.44 : x
  2. Step 2: Convert to fraction form
    8,448.50/12,672.78 = 2,903.44/x
  3. Step 3: Cross multiply
    8,448.50x = 12,672.78 × 2,903.44
  4. Step 4: Simplify right side
    8,448.50x = 36,794,578.48
  5. Step 5: Solve for x
    x = 36,794,578.48/8,448.50
  6. Step 6: Final answer
    x = 4,355.16

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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.