Home / 6,427.89-9,643.66-3,310.17

Finding the Fourth Proportional to 6,427.89, 9,643.66 and 3,310.17

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Solution

The fourth proportional to 6,427.89, 9,643.66 and 3,310.17 is: 4,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.89 : 9,643.66 = 3,310.17 : x
  2. Step 2: Convert to fraction form
    6,427.89/9,643.66 = 3,310.17/x
  3. Step 3: Cross multiply
    6,427.89x = 9,643.66 × 3,310.17
  4. Step 4: Simplify right side
    6,427.89x = 31,922,109.58
  5. Step 5: Solve for x
    x = 31,922,109.58/6,427.89
  6. Step 6: Final answer
    x = 4,966.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.