Home / 9,890.20-14,837.64-3,226.66

Finding the Fourth Proportional to 9,890.20, 14,837.64 and 3,226.66

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Solution

The fourth proportional to 9,890.20, 14,837.64 and 3,226.66 is: 4,840.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890.20 : 14,837.64 = 3,226.66 : x
  2. Step 2: Convert to fraction form
    9,890.20/14,837.64 = 3,226.66/x
  3. Step 3: Cross multiply
    9,890.20x = 14,837.64 × 3,226.66
  4. Step 4: Simplify right side
    9,890.20x = 47,876,019.48
  5. Step 5: Solve for x
    x = 47,876,019.48/9,890.20
  6. Step 6: Final answer
    x = 4,840.75

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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.