Home / 5,701.26-7,867.78-3,345.42

Finding the Fourth Proportional to 5,701.26, 7,867.78 and 3,345.42

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Solution

The fourth proportional to 5,701.26, 7,867.78 and 3,345.42 is: 4,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,701.26 : 7,867.78 = 3,345.42 : x
  2. Step 2: Convert to fraction form
    5,701.26/7,867.78 = 3,345.42/x
  3. Step 3: Cross multiply
    5,701.26x = 7,867.78 × 3,345.42
  4. Step 4: Simplify right side
    5,701.26x = 26,321,028.57
  5. Step 5: Solve for x
    x = 26,321,028.57/5,701.26
  6. Step 6: Final answer
    x = 4,616.70

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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.