Home / 4,073.51-5,619.42-2,815.85

Finding the Fourth Proportional to 4,073.51, 5,619.42 and 2,815.85

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Solution

The fourth proportional to 4,073.51, 5,619.42 and 2,815.85 is: 3,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073.51 : 5,619.42 = 2,815.85 : x
  2. Step 2: Convert to fraction form
    4,073.51/5,619.42 = 2,815.85/x
  3. Step 3: Cross multiply
    4,073.51x = 5,619.42 × 2,815.85
  4. Step 4: Simplify right side
    4,073.51x = 15,823,443.81
  5. Step 5: Solve for x
    x = 15,823,443.81/4,073.51
  6. Step 6: Final answer
    x = 3,884.47

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1.5x scale

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.