Home / 4,211.17-6,305.72-2,728.10

Finding the Fourth Proportional to 4,211.17, 6,305.72 and 2,728.10

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Solution

The fourth proportional to 4,211.17, 6,305.72 and 2,728.10 is: 4,085.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.17 : 6,305.72 = 2,728.10 : x
  2. Step 2: Convert to fraction form
    4,211.17/6,305.72 = 2,728.10/x
  3. Step 3: Cross multiply
    4,211.17x = 6,305.72 × 2,728.10
  4. Step 4: Simplify right side
    4,211.17x = 17,202,636.86
  5. Step 5: Solve for x
    x = 17,202,636.86/4,211.17
  6. Step 6: Final answer
    x = 4,085.00

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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.