Home / 4,073.02-5,618.87-2,815.81

Finding the Fourth Proportional to 4,073.02, 5,618.87 and 2,815.81

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Solution

The fourth proportional to 4,073.02, 5,618.87 and 2,815.81 is: 3,884.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073.02 : 5,618.87 = 2,815.81 : x
  2. Step 2: Convert to fraction form
    4,073.02/5,618.87 = 2,815.81/x
  3. Step 3: Cross multiply
    4,073.02x = 5,618.87 × 2,815.81
  4. Step 4: Simplify right side
    4,073.02x = 15,821,684.37
  5. Step 5: Solve for x
    x = 15,821,684.37/4,073.02
  6. Step 6: Final answer
    x = 3,884.51

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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.