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Finding the Fourth Proportional to 9,726, 14,589 and 2,800.56

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Solution

The fourth proportional to 9,726, 14,589 and 2,800.56 is: 4,200.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,726 : 14,589 = 2,800.56 : x
  2. Step 2: Convert to fraction form
    9,726/14,589 = 2,800.56/x
  3. Step 3: Cross multiply
    9,726x = 14,589 × 2,800.56
  4. Step 4: Simplify right side
    9,726x = 40,857,369.84
  5. Step 5: Solve for x
    x = 40,857,369.84/9,726
  6. Step 6: Final answer
    x = 4,200.84

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Double scale
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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.