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Finding the Fourth Proportional to 7,726.46, 10,662.97 and 4,369.58

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Solution

The fourth proportional to 7,726.46, 10,662.97 and 4,369.58 is: 6,030.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.46 : 10,662.97 = 4,369.58 : x
  2. Step 2: Convert to fraction form
    7,726.46/10,662.97 = 4,369.58/x
  3. Step 3: Cross multiply
    7,726.46x = 10,662.97 × 4,369.58
  4. Step 4: Simplify right side
    7,726.46x = 46,592,647.14
  5. Step 5: Solve for x
    x = 46,592,647.14/7,726.46
  6. Step 6: Final answer
    x = 6,030.27

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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.