Home / 6,643.45-9,963.29-2,260.81

Finding the Fourth Proportional to 6,643.45, 9,963.29 and 2,260.81

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Solution

The fourth proportional to 6,643.45, 9,963.29 and 2,260.81 is: 3,390.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643.45 : 9,963.29 = 2,260.81 : x
  2. Step 2: Convert to fraction form
    6,643.45/9,963.29 = 2,260.81/x
  3. Step 3: Cross multiply
    6,643.45x = 9,963.29 × 2,260.81
  4. Step 4: Simplify right side
    6,643.45x = 22,525,106.81
  5. Step 5: Solve for x
    x = 22,525,106.81/6,643.45
  6. Step 6: Final answer
    x = 3,390.57

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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.