Home / 8,293.02-12,428.10-5,512.38

Finding the Fourth Proportional to 8,293.02, 12,428.10 and 5,512.38

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Solution

The fourth proportional to 8,293.02, 12,428.10 and 5,512.38 is: 8,260.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,293.02 : 12,428.10 = 5,512.38 : x
  2. Step 2: Convert to fraction form
    8,293.02/12,428.10 = 5,512.38/x
  3. Step 3: Cross multiply
    8,293.02x = 12,428.10 × 5,512.38
  4. Step 4: Simplify right side
    8,293.02x = 68,508,409.88
  5. Step 5: Solve for x
    x = 68,508,409.88/8,293.02
  6. Step 6: Final answer
    x = 8,260.97

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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.