Home / 8,991.42-13,487.13-2,418.27

Finding the Fourth Proportional to 8,991.42, 13,487.13 and 2,418.27

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Solution

The fourth proportional to 8,991.42, 13,487.13 and 2,418.27 is: 3,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991.42 : 13,487.13 = 2,418.27 : x
  2. Step 2: Convert to fraction form
    8,991.42/13,487.13 = 2,418.27/x
  3. Step 3: Cross multiply
    8,991.42x = 13,487.13 × 2,418.27
  4. Step 4: Simplify right side
    8,991.42x = 32,615,521.87
  5. Step 5: Solve for x
    x = 32,615,521.87/8,991.42
  6. Step 6: Final answer
    x = 3,627.41

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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.