Home / 5,331.64-7,997.48-2,990.56

Finding the Fourth Proportional to 5,331.64, 7,997.48 and 2,990.56

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Solution

The fourth proportional to 5,331.64, 7,997.48 and 2,990.56 is: 4,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.64 : 7,997.48 = 2,990.56 : x
  2. Step 2: Convert to fraction form
    5,331.64/7,997.48 = 2,990.56/x
  3. Step 3: Cross multiply
    5,331.64x = 7,997.48 × 2,990.56
  4. Step 4: Simplify right side
    5,331.64x = 23,916,943.79
  5. Step 5: Solve for x
    x = 23,916,943.79/5,331.64
  6. Step 6: Final answer
    x = 4,485.85

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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.