Home / 6,540.25-9,814.70-3,077.77

Finding the Fourth Proportional to 6,540.25, 9,814.70 and 3,077.77

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Solution

The fourth proportional to 6,540.25, 9,814.70 and 3,077.77 is: 4,618.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.25 : 9,814.70 = 3,077.77 : x
  2. Step 2: Convert to fraction form
    6,540.25/9,814.70 = 3,077.77/x
  3. Step 3: Cross multiply
    6,540.25x = 9,814.70 × 3,077.77
  4. Step 4: Simplify right side
    6,540.25x = 30,207,389.22
  5. Step 5: Solve for x
    x = 30,207,389.22/6,540.25
  6. Step 6: Final answer
    x = 4,618.69

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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.