Home / 6,422.33-8,862.04-3,589.90

Finding the Fourth Proportional to 6,422.33, 8,862.04 and 3,589.90

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Solution

The fourth proportional to 6,422.33, 8,862.04 and 3,589.90 is: 4,953.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.33 : 8,862.04 = 3,589.90 : x
  2. Step 2: Convert to fraction form
    6,422.33/8,862.04 = 3,589.90/x
  3. Step 3: Cross multiply
    6,422.33x = 8,862.04 × 3,589.90
  4. Step 4: Simplify right side
    6,422.33x = 31,813,837.40
  5. Step 5: Solve for x
    x = 31,813,837.40/6,422.33
  6. Step 6: Final answer
    x = 4,953.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.