Home / 6,939.57-9,574.25-3,953.31

Finding the Fourth Proportional to 6,939.57, 9,574.25 and 3,953.31

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Solution

The fourth proportional to 6,939.57, 9,574.25 and 3,953.31 is: 5,454.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.57 : 9,574.25 = 3,953.31 : x
  2. Step 2: Convert to fraction form
    6,939.57/9,574.25 = 3,953.31/x
  3. Step 3: Cross multiply
    6,939.57x = 9,574.25 × 3,953.31
  4. Step 4: Simplify right side
    6,939.57x = 37,849,944.83
  5. Step 5: Solve for x
    x = 37,849,944.83/6,939.57
  6. Step 6: Final answer
    x = 5,454.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.