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Finding the Fourth Proportional to 6,746.78, 9,310.07 and 3,762.78

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Solution

The fourth proportional to 6,746.78, 9,310.07 and 3,762.78 is: 5,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.78 : 9,310.07 = 3,762.78 : x
  2. Step 2: Convert to fraction form
    6,746.78/9,310.07 = 3,762.78/x
  3. Step 3: Cross multiply
    6,746.78x = 9,310.07 × 3,762.78
  4. Step 4: Simplify right side
    6,746.78x = 35,031,726.38
  5. Step 5: Solve for x
    x = 35,031,726.38/6,746.78
  6. Step 6: Final answer
    x = 5,192.37

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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.