Home / 4,103.16-6,156.78-1,642.77

Finding the Fourth Proportional to 4,103.16, 6,156.78 and 1,642.77

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Solution

The fourth proportional to 4,103.16, 6,156.78 and 1,642.77 is: 2,464.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.16 : 6,156.78 = 1,642.77 : x
  2. Step 2: Convert to fraction form
    4,103.16/6,156.78 = 1,642.77/x
  3. Step 3: Cross multiply
    4,103.16x = 6,156.78 × 1,642.77
  4. Step 4: Simplify right side
    4,103.16x = 10,114,173.48
  5. Step 5: Solve for x
    x = 10,114,173.48/4,103.16
  6. Step 6: Final answer
    x = 2,464.97

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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.