Home / 8,943.35-13,418.55-3,398.16

Finding the Fourth Proportional to 8,943.35, 13,418.55 and 3,398.16

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Solution

The fourth proportional to 8,943.35, 13,418.55 and 3,398.16 is: 5,098.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.35 : 13,418.55 = 3,398.16 : x
  2. Step 2: Convert to fraction form
    8,943.35/13,418.55 = 3,398.16/x
  3. Step 3: Cross multiply
    8,943.35x = 13,418.55 × 3,398.16
  4. Step 4: Simplify right side
    8,943.35x = 45,598,379.87
  5. Step 5: Solve for x
    x = 45,598,379.87/8,943.35
  6. Step 6: Final answer
    x = 5,098.58

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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.