Home / 5,287.75-7,297.37-2,930.11

Finding the Fourth Proportional to 5,287.75, 7,297.37 and 2,930.11

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Solution

The fourth proportional to 5,287.75, 7,297.37 and 2,930.11 is: 4,043.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.75 : 7,297.37 = 2,930.11 : x
  2. Step 2: Convert to fraction form
    5,287.75/7,297.37 = 2,930.11/x
  3. Step 3: Cross multiply
    5,287.75x = 7,297.37 × 2,930.11
  4. Step 4: Simplify right side
    5,287.75x = 21,382,096.81
  5. Step 5: Solve for x
    x = 21,382,096.81/5,287.75
  6. Step 6: Final answer
    x = 4,043.70

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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.