Home / 6,434.56-9,653.80-3,147.18

Finding the Fourth Proportional to 6,434.56, 9,653.80 and 3,147.18

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Solution

The fourth proportional to 6,434.56, 9,653.80 and 3,147.18 is: 4,721.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434.56 : 9,653.80 = 3,147.18 : x
  2. Step 2: Convert to fraction form
    6,434.56/9,653.80 = 3,147.18/x
  3. Step 3: Cross multiply
    6,434.56x = 9,653.80 × 3,147.18
  4. Step 4: Simplify right side
    6,434.56x = 30,382,198.02
  5. Step 5: Solve for x
    x = 30,382,198.02/6,434.56
  6. Step 6: Final answer
    x = 4,721.72

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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.