Home / 4,138.20-6,204.90-1,541.40

Finding the Fourth Proportional to 4,138.20, 6,204.90 and 1,541.40

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Solution

The fourth proportional to 4,138.20, 6,204.90 and 1,541.40 is: 2,311.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.20 : 6,204.90 = 1,541.40 : x
  2. Step 2: Convert to fraction form
    4,138.20/6,204.90 = 1,541.40/x
  3. Step 3: Cross multiply
    4,138.20x = 6,204.90 × 1,541.40
  4. Step 4: Simplify right side
    4,138.20x = 9,564,232.86
  5. Step 5: Solve for x
    x = 9,564,232.86/4,138.20
  6. Step 6: Final answer
    x = 2,311.21

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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.