Home / 6,389.41-9,585.70-2,229.47

Finding the Fourth Proportional to 6,389.41, 9,585.70 and 2,229.47

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Solution

The fourth proportional to 6,389.41, 9,585.70 and 2,229.47 is: 3,344.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.41 : 9,585.70 = 2,229.47 : x
  2. Step 2: Convert to fraction form
    6,389.41/9,585.70 = 2,229.47/x
  3. Step 3: Cross multiply
    6,389.41x = 9,585.70 × 2,229.47
  4. Step 4: Simplify right side
    6,389.41x = 21,371,048.97
  5. Step 5: Solve for x
    x = 21,371,048.97/6,389.41
  6. Step 6: Final answer
    x = 3,344.76

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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.