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Finding the Fourth Proportional to 6,339.79, 9,509.68 and 2,441.47

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Solution

The fourth proportional to 6,339.79, 9,509.68 and 2,441.47 is: 3,662.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339.79 : 9,509.68 = 2,441.47 : x
  2. Step 2: Convert to fraction form
    6,339.79/9,509.68 = 2,441.47/x
  3. Step 3: Cross multiply
    6,339.79x = 9,509.68 × 2,441.47
  4. Step 4: Simplify right side
    6,339.79x = 23,217,553.93
  5. Step 5: Solve for x
    x = 23,217,553.93/6,339.79
  6. Step 6: Final answer
    x = 3,662.19

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1.5x scale

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.