Home / 8,919.98-13,381.50-2,997.43

Finding the Fourth Proportional to 8,919.98, 13,381.50 and 2,997.43

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Solution

The fourth proportional to 8,919.98, 13,381.50 and 2,997.43 is: 4,496.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.98 : 13,381.50 = 2,997.43 : x
  2. Step 2: Convert to fraction form
    8,919.98/13,381.50 = 2,997.43/x
  3. Step 3: Cross multiply
    8,919.98x = 13,381.50 × 2,997.43
  4. Step 4: Simplify right side
    8,919.98x = 40,110,094.56
  5. Step 5: Solve for x
    x = 40,110,094.56/8,919.98
  6. Step 6: Final answer
    x = 4,496.66

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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.