Home / 8,418.94-11,618.22-4,642.24

Finding the Fourth Proportional to 8,418.94, 11,618.22 and 4,642.24

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Solution

The fourth proportional to 8,418.94, 11,618.22 and 4,642.24 is: 6,406.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.94 : 11,618.22 = 4,642.24 : x
  2. Step 2: Convert to fraction form
    8,418.94/11,618.22 = 4,642.24/x
  3. Step 3: Cross multiply
    8,418.94x = 11,618.22 × 4,642.24
  4. Step 4: Simplify right side
    8,418.94x = 53,934,484.31
  5. Step 5: Solve for x
    x = 53,934,484.31/8,418.94
  6. Step 6: Final answer
    x = 6,406.33

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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.