Home / 8,316.02-12,469.17-3,122.30

Finding the Fourth Proportional to 8,316.02, 12,469.17 and 3,122.30

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Solution

The fourth proportional to 8,316.02, 12,469.17 and 3,122.30 is: 4,681.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.02 : 12,469.17 = 3,122.30 : x
  2. Step 2: Convert to fraction form
    8,316.02/12,469.17 = 3,122.30/x
  3. Step 3: Cross multiply
    8,316.02x = 12,469.17 × 3,122.30
  4. Step 4: Simplify right side
    8,316.02x = 38,932,489.49
  5. Step 5: Solve for x
    x = 38,932,489.49/8,316.02
  6. Step 6: Final answer
    x = 4,681.63

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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.