Home / 7,010.65-10,517.28-2,080.54

Finding the Fourth Proportional to 7,010.65, 10,517.28 and 2,080.54

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Solution

The fourth proportional to 7,010.65, 10,517.28 and 2,080.54 is: 3,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.65 : 10,517.28 = 2,080.54 : x
  2. Step 2: Convert to fraction form
    7,010.65/10,517.28 = 2,080.54/x
  3. Step 3: Cross multiply
    7,010.65x = 10,517.28 × 2,080.54
  4. Step 4: Simplify right side
    7,010.65x = 21,881,621.73
  5. Step 5: Solve for x
    x = 21,881,621.73/7,010.65
  6. Step 6: Final answer
    x = 3,121.20

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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.