Home / 4,138.14-6,209.08-1,541.28

Finding the Fourth Proportional to 4,138.14, 6,209.08 and 1,541.28

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Solution

The fourth proportional to 4,138.14, 6,209.08 and 1,541.28 is: 2,312.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.14 : 6,209.08 = 1,541.28 : x
  2. Step 2: Convert to fraction form
    4,138.14/6,209.08 = 1,541.28/x
  3. Step 3: Cross multiply
    4,138.14x = 6,209.08 × 1,541.28
  4. Step 4: Simplify right side
    4,138.14x = 9,569,930.82
  5. Step 5: Solve for x
    x = 9,569,930.82/4,138.14
  6. Step 6: Final answer
    x = 2,312.62

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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.