Home / 6,422.06-9,628.23-4,084.40

Finding the Fourth Proportional to 6,422.06, 9,628.23 and 4,084.40

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Solution

The fourth proportional to 6,422.06, 9,628.23 and 4,084.40 is: 6,123.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.06 : 9,628.23 = 4,084.40 : x
  2. Step 2: Convert to fraction form
    6,422.06/9,628.23 = 4,084.40/x
  3. Step 3: Cross multiply
    6,422.06x = 9,628.23 × 4,084.40
  4. Step 4: Simplify right side
    6,422.06x = 39,325,542.61
  5. Step 5: Solve for x
    x = 39,325,542.61/6,422.06
  6. Step 6: Final answer
    x = 6,123.51

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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.