Home / 7,990.85-11,027.52-4,453.68

Finding the Fourth Proportional to 7,990.85, 11,027.52 and 4,453.68

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Solution

The fourth proportional to 7,990.85, 11,027.52 and 4,453.68 is: 6,146.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.85 : 11,027.52 = 4,453.68 : x
  2. Step 2: Convert to fraction form
    7,990.85/11,027.52 = 4,453.68/x
  3. Step 3: Cross multiply
    7,990.85x = 11,027.52 × 4,453.68
  4. Step 4: Simplify right side
    7,990.85x = 49,113,028.57
  5. Step 5: Solve for x
    x = 49,113,028.57/7,990.85
  6. Step 6: Final answer
    x = 6,146.16

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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.