Home / 5,997.12-8,999.88-2,101.56

Finding the Fourth Proportional to 5,997.12, 8,999.88 and 2,101.56

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Solution

The fourth proportional to 5,997.12, 8,999.88 and 2,101.56 is: 3,153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,997.12 : 8,999.88 = 2,101.56 : x
  2. Step 2: Convert to fraction form
    5,997.12/8,999.88 = 2,101.56/x
  3. Step 3: Cross multiply
    5,997.12x = 8,999.88 × 2,101.56
  4. Step 4: Simplify right side
    5,997.12x = 18,913,787.81
  5. Step 5: Solve for x
    x = 18,913,787.81/5,997.12
  6. Step 6: Final answer
    x = 3,153.81

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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.