Home / 6,253.31-8,622.98-3,891.35

Finding the Fourth Proportional to 6,253.31, 8,622.98 and 3,891.35

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Solution

The fourth proportional to 6,253.31, 8,622.98 and 3,891.35 is: 5,365.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,253.31 : 8,622.98 = 3,891.35 : x
  2. Step 2: Convert to fraction form
    6,253.31/8,622.98 = 3,891.35/x
  3. Step 3: Cross multiply
    6,253.31x = 8,622.98 × 3,891.35
  4. Step 4: Simplify right side
    6,253.31x = 33,555,033.22
  5. Step 5: Solve for x
    x = 33,555,033.22/6,253.31
  6. Step 6: Final answer
    x = 5,365.96

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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.