Home / 6,428.49-9,643.37-3,095.75

Finding the Fourth Proportional to 6,428.49, 9,643.37 and 3,095.75

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Solution

The fourth proportional to 6,428.49, 9,643.37 and 3,095.75 is: 4,643.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.49 : 9,643.37 = 3,095.75 : x
  2. Step 2: Convert to fraction form
    6,428.49/9,643.37 = 3,095.75/x
  3. Step 3: Cross multiply
    6,428.49x = 9,643.37 × 3,095.75
  4. Step 4: Simplify right side
    6,428.49x = 29,853,398.98
  5. Step 5: Solve for x
    x = 29,853,398.98/6,428.49
  6. Step 6: Final answer
    x = 4,643.92

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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.