Home / 8,341.38-12,508.02-3,147.66

Finding the Fourth Proportional to 8,341.38, 12,508.02 and 3,147.66

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Solution

The fourth proportional to 8,341.38, 12,508.02 and 3,147.66 is: 4,719.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341.38 : 12,508.02 = 3,147.66 : x
  2. Step 2: Convert to fraction form
    8,341.38/12,508.02 = 3,147.66/x
  3. Step 3: Cross multiply
    8,341.38x = 12,508.02 × 3,147.66
  4. Step 4: Simplify right side
    8,341.38x = 39,370,994.23
  5. Step 5: Solve for x
    x = 39,370,994.23/8,341.38
  6. Step 6: Final answer
    x = 4,719.96

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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.