Home / 4,073.59-6,108.43-1,991.16

Finding the Fourth Proportional to 4,073.59, 6,108.43 and 1,991.16

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Solution

The fourth proportional to 4,073.59, 6,108.43 and 1,991.16 is: 2,985.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073.59 : 6,108.43 = 1,991.16 : x
  2. Step 2: Convert to fraction form
    4,073.59/6,108.43 = 1,991.16/x
  3. Step 3: Cross multiply
    4,073.59x = 6,108.43 × 1,991.16
  4. Step 4: Simplify right side
    4,073.59x = 12,162,861.48
  5. Step 5: Solve for x
    x = 12,162,861.48/4,073.59
  6. Step 6: Final answer
    x = 2,985.78

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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.