Home / 6,239.65-9,305.35-5,321.11

Finding the Fourth Proportional to 6,239.65, 9,305.35 and 5,321.11

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Solution

The fourth proportional to 6,239.65, 9,305.35 and 5,321.11 is: 7,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.65 : 9,305.35 = 5,321.11 : x
  2. Step 2: Convert to fraction form
    6,239.65/9,305.35 = 5,321.11/x
  3. Step 3: Cross multiply
    6,239.65x = 9,305.35 × 5,321.11
  4. Step 4: Simplify right side
    6,239.65x = 49,514,794.27
  5. Step 5: Solve for x
    x = 49,514,794.27/6,239.65
  6. Step 6: Final answer
    x = 7,935.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.