Home / 4,071.38-6,107.79-1,298.66

Finding the Fourth Proportional to 4,071.38, 6,107.79 and 1,298.66

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Solution

The fourth proportional to 4,071.38, 6,107.79 and 1,298.66 is: 1,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.38 : 6,107.79 = 1,298.66 : x
  2. Step 2: Convert to fraction form
    4,071.38/6,107.79 = 1,298.66/x
  3. Step 3: Cross multiply
    4,071.38x = 6,107.79 × 1,298.66
  4. Step 4: Simplify right side
    4,071.38x = 7,931,942.56
  5. Step 5: Solve for x
    x = 7,931,942.56/4,071.38
  6. Step 6: Final answer
    x = 1,948.22

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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.