Home / 8,268.15-12,394.92-3,070.38

Finding the Fourth Proportional to 8,268.15, 12,394.92 and 3,070.38

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Solution

The fourth proportional to 8,268.15, 12,394.92 and 3,070.38 is: 4,602.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.15 : 12,394.92 = 3,070.38 : x
  2. Step 2: Convert to fraction form
    8,268.15/12,394.92 = 3,070.38/x
  3. Step 3: Cross multiply
    8,268.15x = 12,394.92 × 3,070.38
  4. Step 4: Simplify right side
    8,268.15x = 38,057,114.47
  5. Step 5: Solve for x
    x = 38,057,114.47/8,268.15
  6. Step 6: Final answer
    x = 4,602.86

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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.