Home / 8,151.15-11,244.62-5,317.23

Finding the Fourth Proportional to 8,151.15, 11,244.62 and 5,317.23

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Solution

The fourth proportional to 8,151.15, 11,244.62 and 5,317.23 is: 7,335.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.15 : 11,244.62 = 5,317.23 : x
  2. Step 2: Convert to fraction form
    8,151.15/11,244.62 = 5,317.23/x
  3. Step 3: Cross multiply
    8,151.15x = 11,244.62 × 5,317.23
  4. Step 4: Simplify right side
    8,151.15x = 59,790,230.80
  5. Step 5: Solve for x
    x = 59,790,230.80/8,151.15
  6. Step 6: Final answer
    x = 7,335.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.