Home / 8,140.16-12,194.24-4,239.36

Finding the Fourth Proportional to 8,140.16, 12,194.24 and 4,239.36

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Solution

The fourth proportional to 8,140.16, 12,194.24 and 4,239.36 is: 6,350.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.16 : 12,194.24 = 4,239.36 : x
  2. Step 2: Convert to fraction form
    8,140.16/12,194.24 = 4,239.36/x
  3. Step 3: Cross multiply
    8,140.16x = 12,194.24 × 4,239.36
  4. Step 4: Simplify right side
    8,140.16x = 51,695,773.29
  5. Step 5: Solve for x
    x = 51,695,773.29/8,140.16
  6. Step 6: Final answer
    x = 6,350.71

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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.