Home / 8,316.06-12,467.52-4,153.78

Finding the Fourth Proportional to 8,316.06, 12,467.52 and 4,153.78

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Solution

The fourth proportional to 8,316.06, 12,467.52 and 4,153.78 is: 6,227.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.06 : 12,467.52 = 4,153.78 : x
  2. Step 2: Convert to fraction form
    8,316.06/12,467.52 = 4,153.78/x
  3. Step 3: Cross multiply
    8,316.06x = 12,467.52 × 4,153.78
  4. Step 4: Simplify right side
    8,316.06x = 51,787,335.23
  5. Step 5: Solve for x
    x = 51,787,335.23/8,316.06
  6. Step 6: Final answer
    x = 6,227.39

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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.