Home / 8,140.11-12,208.86-2,297.13

Finding the Fourth Proportional to 8,140.11, 12,208.86 and 2,297.13

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Solution

The fourth proportional to 8,140.11, 12,208.86 and 2,297.13 is: 3,445.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.11 : 12,208.86 = 2,297.13 : x
  2. Step 2: Convert to fraction form
    8,140.11/12,208.86 = 2,297.13/x
  3. Step 3: Cross multiply
    8,140.11x = 12,208.86 × 2,297.13
  4. Step 4: Simplify right side
    8,140.11x = 28,045,338.57
  5. Step 5: Solve for x
    x = 28,045,338.57/8,140.11
  6. Step 6: Final answer
    x = 3,445.33

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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.