Home / 6,943.50-10,411.20-3,655.80

Finding the Fourth Proportional to 6,943.50, 10,411.20 and 3,655.80

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Solution

The fourth proportional to 6,943.50, 10,411.20 and 3,655.80 is: 5,481.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943.50 : 10,411.20 = 3,655.80 : x
  2. Step 2: Convert to fraction form
    6,943.50/10,411.20 = 3,655.80/x
  3. Step 3: Cross multiply
    6,943.50x = 10,411.20 × 3,655.80
  4. Step 4: Simplify right side
    6,943.50x = 38,061,264.96
  5. Step 5: Solve for x
    x = 38,061,264.96/6,943.50
  6. Step 6: Final answer
    x = 5,481.57

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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.