Home / 6,317.92-9,476.34-2,421.28

Finding the Fourth Proportional to 6,317.92, 9,476.34 and 2,421.28

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Solution

The fourth proportional to 6,317.92, 9,476.34 and 2,421.28 is: 3,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.92 : 9,476.34 = 2,421.28 : x
  2. Step 2: Convert to fraction form
    6,317.92/9,476.34 = 2,421.28/x
  3. Step 3: Cross multiply
    6,317.92x = 9,476.34 × 2,421.28
  4. Step 4: Simplify right side
    6,317.92x = 22,944,872.52
  5. Step 5: Solve for x
    x = 22,944,872.52/6,317.92
  6. Step 6: Final answer
    x = 3,631.71

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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.