Home / 6,422.68-9,634.20-2,040.40

Finding the Fourth Proportional to 6,422.68, 9,634.20 and 2,040.40

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Solution

The fourth proportional to 6,422.68, 9,634.20 and 2,040.40 is: 3,060.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.68 : 9,634.20 = 2,040.40 : x
  2. Step 2: Convert to fraction form
    6,422.68/9,634.20 = 2,040.40/x
  3. Step 3: Cross multiply
    6,422.68x = 9,634.20 × 2,040.40
  4. Step 4: Simplify right side
    6,422.68x = 19,657,621.68
  5. Step 5: Solve for x
    x = 19,657,621.68/6,422.68
  6. Step 6: Final answer
    x = 3,060.66

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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.