Home / 8,316.88-12,467.08-3,389.38

Finding the Fourth Proportional to 8,316.88, 12,467.08 and 3,389.38

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Solution

The fourth proportional to 8,316.88, 12,467.08 and 3,389.38 is: 5,080.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.88 : 12,467.08 = 3,389.38 : x
  2. Step 2: Convert to fraction form
    8,316.88/12,467.08 = 3,389.38/x
  3. Step 3: Cross multiply
    8,316.88x = 12,467.08 × 3,389.38
  4. Step 4: Simplify right side
    8,316.88x = 42,255,671.61
  5. Step 5: Solve for x
    x = 42,255,671.61/8,316.88
  6. Step 6: Final answer
    x = 5,080.71

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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.