Home / 6,938.66-10,411.41-3,240.36

Finding the Fourth Proportional to 6,938.66, 10,411.41 and 3,240.36

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Solution

The fourth proportional to 6,938.66, 10,411.41 and 3,240.36 is: 4,862.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.66 : 10,411.41 = 3,240.36 : x
  2. Step 2: Convert to fraction form
    6,938.66/10,411.41 = 3,240.36/x
  3. Step 3: Cross multiply
    6,938.66x = 10,411.41 × 3,240.36
  4. Step 4: Simplify right side
    6,938.66x = 33,736,685.57
  5. Step 5: Solve for x
    x = 33,736,685.57/6,938.66
  6. Step 6: Final answer
    x = 4,862.13

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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.