Home / 4,104.66-6,155.64-1,638.72

Finding the Fourth Proportional to 4,104.66, 6,155.64 and 1,638.72

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Solution

The fourth proportional to 4,104.66, 6,155.64 and 1,638.72 is: 2,457.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,104.66 : 6,155.64 = 1,638.72 : x
  2. Step 2: Convert to fraction form
    4,104.66/6,155.64 = 1,638.72/x
  3. Step 3: Cross multiply
    4,104.66x = 6,155.64 × 1,638.72
  4. Step 4: Simplify right side
    4,104.66x = 10,087,370.38
  5. Step 5: Solve for x
    x = 10,087,370.38/4,104.66
  6. Step 6: Final answer
    x = 2,457.54

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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.