Home / 5,146.50-7,730.11-3,070.56

Finding the Fourth Proportional to 5,146.50, 7,730.11 and 3,070.56

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Solution

The fourth proportional to 5,146.50, 7,730.11 and 3,070.56 is: 4,612.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.50 : 7,730.11 = 3,070.56 : x
  2. Step 2: Convert to fraction form
    5,146.50/7,730.11 = 3,070.56/x
  3. Step 3: Cross multiply
    5,146.50x = 7,730.11 × 3,070.56
  4. Step 4: Simplify right side
    5,146.50x = 23,735,766.56
  5. Step 5: Solve for x
    x = 23,735,766.56/5,146.50
  6. Step 6: Final answer
    x = 4,612.02

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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.