Home / 9,291.78-13,942.35-4,101.30

Finding the Fourth Proportional to 9,291.78, 13,942.35 and 4,101.30

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Solution

The fourth proportional to 9,291.78, 13,942.35 and 4,101.30 is: 6,154.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.78 : 13,942.35 = 4,101.30 : x
  2. Step 2: Convert to fraction form
    9,291.78/13,942.35 = 4,101.30/x
  3. Step 3: Cross multiply
    9,291.78x = 13,942.35 × 4,101.30
  4. Step 4: Simplify right side
    9,291.78x = 57,181,760.06
  5. Step 5: Solve for x
    x = 57,181,760.06/9,291.78
  6. Step 6: Final answer
    x = 6,154.02

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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.