Home / 8,343.21-11,517.80-4,805.74

Finding the Fourth Proportional to 8,343.21, 11,517.80 and 4,805.74

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Solution

The fourth proportional to 8,343.21, 11,517.80 and 4,805.74 is: 6,634.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.21 : 11,517.80 = 4,805.74 : x
  2. Step 2: Convert to fraction form
    8,343.21/11,517.80 = 4,805.74/x
  3. Step 3: Cross multiply
    8,343.21x = 11,517.80 × 4,805.74
  4. Step 4: Simplify right side
    8,343.21x = 55,351,552.17
  5. Step 5: Solve for x
    x = 55,351,552.17/8,343.21
  6. Step 6: Final answer
    x = 6,634.32

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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.