Home / 8,418.29-11,618.22-5,062.79

Finding the Fourth Proportional to 8,418.29, 11,618.22 and 5,062.79

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Solution

The fourth proportional to 8,418.29, 11,618.22 and 5,062.79 is: 6,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.29 : 11,618.22 = 5,062.79 : x
  2. Step 2: Convert to fraction form
    8,418.29/11,618.22 = 5,062.79/x
  3. Step 3: Cross multiply
    8,418.29x = 11,618.22 × 5,062.79
  4. Step 4: Simplify right side
    8,418.29x = 58,820,549.94
  5. Step 5: Solve for x
    x = 58,820,549.94/8,418.29
  6. Step 6: Final answer
    x = 6,987.24

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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.