Home / 6,943.68-10,420.11-3,246.18

Finding the Fourth Proportional to 6,943.68, 10,420.11 and 3,246.18

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Solution

The fourth proportional to 6,943.68, 10,420.11 and 3,246.18 is: 4,871.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943.68 : 10,420.11 = 3,246.18 : x
  2. Step 2: Convert to fraction form
    6,943.68/10,420.11 = 3,246.18/x
  3. Step 3: Cross multiply
    6,943.68x = 10,420.11 × 3,246.18
  4. Step 4: Simplify right side
    6,943.68x = 33,825,552.68
  5. Step 5: Solve for x
    x = 33,825,552.68/6,943.68
  6. Step 6: Final answer
    x = 4,871.42

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1.5x scale

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.