Home / 5,146.72-7,720.08-2,068

Finding the Fourth Proportional to 5,146.72, 7,720.08 and 2,068

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Solution

The fourth proportional to 5,146.72, 7,720.08 and 2,068 is: 3,102.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.72 : 7,720.08 = 2,068 : x
  2. Step 2: Convert to fraction form
    5,146.72/7,720.08 = 2,068/x
  3. Step 3: Cross multiply
    5,146.72x = 7,720.08 × 2,068
  4. Step 4: Simplify right side
    5,146.72x = 15,965,125.44
  5. Step 5: Solve for x
    x = 15,965,125.44/5,146.72
  6. Step 6: Final answer
    x = 3,102.00

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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.