Home / 9,775.19-14,662.78-3,930.43

Finding the Fourth Proportional to 9,775.19, 14,662.78 and 3,930.43

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Solution

The fourth proportional to 9,775.19, 14,662.78 and 3,930.43 is: 5,895.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,775.19 : 14,662.78 = 3,930.43 : x
  2. Step 2: Convert to fraction form
    9,775.19/14,662.78 = 3,930.43/x
  3. Step 3: Cross multiply
    9,775.19x = 14,662.78 × 3,930.43
  4. Step 4: Simplify right side
    9,775.19x = 57,631,030.40
  5. Step 5: Solve for x
    x = 57,631,030.40/9,775.19
  6. Step 6: Final answer
    x = 5,895.64

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Similar ratio
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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.