Home / 5,121.67-7,068-3,025.80

Finding the Fourth Proportional to 5,121.67, 7,068 and 3,025.80

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Solution

The fourth proportional to 5,121.67, 7,068 and 3,025.80 is: 4,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.67 : 7,068 = 3,025.80 : x
  2. Step 2: Convert to fraction form
    5,121.67/7,068 = 3,025.80/x
  3. Step 3: Cross multiply
    5,121.67x = 7,068 × 3,025.80
  4. Step 4: Simplify right side
    5,121.67x = 21,386,319.06
  5. Step 5: Solve for x
    x = 21,386,319.06/5,121.67
  6. Step 6: Final answer
    x = 4,175.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.