Home / 6,392.39-9,585.07-2,231.28

Finding the Fourth Proportional to 6,392.39, 9,585.07 and 2,231.28

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Solution

The fourth proportional to 6,392.39, 9,585.07 and 2,231.28 is: 3,345.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392.39 : 9,585.07 = 2,231.28 : x
  2. Step 2: Convert to fraction form
    6,392.39/9,585.07 = 2,231.28/x
  3. Step 3: Cross multiply
    6,392.39x = 9,585.07 × 2,231.28
  4. Step 4: Simplify right side
    6,392.39x = 21,386,969.41
  5. Step 5: Solve for x
    x = 21,386,969.41/6,392.39
  6. Step 6: Final answer
    x = 3,345.69

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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.