Home / 6,378.93-9,569.94-2,218.35

Finding the Fourth Proportional to 6,378.93, 9,569.94 and 2,218.35

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Solution

The fourth proportional to 6,378.93, 9,569.94 and 2,218.35 is: 3,328.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.93 : 9,569.94 = 2,218.35 : x
  2. Step 2: Convert to fraction form
    6,378.93/9,569.94 = 2,218.35/x
  3. Step 3: Cross multiply
    6,378.93x = 9,569.94 × 2,218.35
  4. Step 4: Simplify right side
    6,378.93x = 21,229,476.40
  5. Step 5: Solve for x
    x = 21,229,476.40/6,378.93
  6. Step 6: Final answer
    x = 3,328.06

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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.