Home / 7,857.22-10,839.88-4,498.23

Finding the Fourth Proportional to 7,857.22, 10,839.88 and 4,498.23

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Solution

The fourth proportional to 7,857.22, 10,839.88 and 4,498.23 is: 6,205.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,857.22 : 10,839.88 = 4,498.23 : x
  2. Step 2: Convert to fraction form
    7,857.22/10,839.88 = 4,498.23/x
  3. Step 3: Cross multiply
    7,857.22x = 10,839.88 × 4,498.23
  4. Step 4: Simplify right side
    7,857.22x = 48,760,273.41
  5. Step 5: Solve for x
    x = 48,760,273.41/7,857.22
  6. Step 6: Final answer
    x = 6,205.79

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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.