Home / 7,990.89-11,027.43-4,454.03

Finding the Fourth Proportional to 7,990.89, 11,027.43 and 4,454.03

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Solution

The fourth proportional to 7,990.89, 11,027.43 and 4,454.03 is: 6,146.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.89 : 11,027.43 = 4,454.03 : x
  2. Step 2: Convert to fraction form
    7,990.89/11,027.43 = 4,454.03/x
  3. Step 3: Cross multiply
    7,990.89x = 11,027.43 × 4,454.03
  4. Step 4: Simplify right side
    7,990.89x = 49,116,448.91
  5. Step 5: Solve for x
    x = 49,116,448.91/7,990.89
  6. Step 6: Final answer
    x = 6,146.56

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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.