Home / 7,990.53-11,026.92-4,453.71

Finding the Fourth Proportional to 7,990.53, 11,026.92 and 4,453.71

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Solution

The fourth proportional to 7,990.53, 11,026.92 and 4,453.71 is: 6,146.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.53 : 11,026.92 = 4,453.71 : x
  2. Step 2: Convert to fraction form
    7,990.53/11,026.92 = 4,453.71/x
  3. Step 3: Cross multiply
    7,990.53x = 11,026.92 × 4,453.71
  4. Step 4: Simplify right side
    7,990.53x = 49,110,703.87
  5. Step 5: Solve for x
    x = 49,110,703.87/7,990.53
  6. Step 6: Final answer
    x = 6,146.11

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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.