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Finding the Fourth Proportional to 7,658.92, 10,569.62 and 4,301.67

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Solution

The fourth proportional to 7,658.92, 10,569.62 and 4,301.67 is: 5,936.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658.92 : 10,569.62 = 4,301.67 : x
  2. Step 2: Convert to fraction form
    7,658.92/10,569.62 = 4,301.67/x
  3. Step 3: Cross multiply
    7,658.92x = 10,569.62 × 4,301.67
  4. Step 4: Simplify right side
    7,658.92x = 45,467,067.66
  5. Step 5: Solve for x
    x = 45,467,067.66/7,658.92
  6. Step 6: Final answer
    x = 5,936.48

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1.5x scale

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.