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Finding the Fourth Proportional to 9,810.20, 14,723.40 and 4,553.30

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Solution

The fourth proportional to 9,810.20, 14,723.40 and 4,553.30 is: 6,833.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,810.20 : 14,723.40 = 4,553.30 : x
  2. Step 2: Convert to fraction form
    9,810.20/14,723.40 = 4,553.30/x
  3. Step 3: Cross multiply
    9,810.20x = 14,723.40 × 4,553.30
  4. Step 4: Simplify right side
    9,810.20x = 67,040,057.22
  5. Step 5: Solve for x
    x = 67,040,057.22/9,810.20
  6. Step 6: Final answer
    x = 6,833.71

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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.