Home / 6,390.27-9,585.30-2,007.75

Finding the Fourth Proportional to 6,390.27, 9,585.30 and 2,007.75

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Solution

The fourth proportional to 6,390.27, 9,585.30 and 2,007.75 is: 3,011.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390.27 : 9,585.30 = 2,007.75 : x
  2. Step 2: Convert to fraction form
    6,390.27/9,585.30 = 2,007.75/x
  3. Step 3: Cross multiply
    6,390.27x = 9,585.30 × 2,007.75
  4. Step 4: Simplify right side
    6,390.27x = 19,244,886.08
  5. Step 5: Solve for x
    x = 19,244,886.08/6,390.27
  6. Step 6: Final answer
    x = 3,011.59

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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.