Home / 5,790.24-7,997.16-3,898.80

Finding the Fourth Proportional to 5,790.24, 7,997.16 and 3,898.80

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Solution

The fourth proportional to 5,790.24, 7,997.16 and 3,898.80 is: 5,384.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.24 : 7,997.16 = 3,898.80 : x
  2. Step 2: Convert to fraction form
    5,790.24/7,997.16 = 3,898.80/x
  3. Step 3: Cross multiply
    5,790.24x = 7,997.16 × 3,898.80
  4. Step 4: Simplify right side
    5,790.24x = 31,179,327.41
  5. Step 5: Solve for x
    x = 31,179,327.41/5,790.24
  6. Step 6: Final answer
    x = 5,384.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.