Home / 5,641.36-8,465.54-2,719.96

Finding the Fourth Proportional to 5,641.36, 8,465.54 and 2,719.96

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Solution

The fourth proportional to 5,641.36, 8,465.54 and 2,719.96 is: 4,081.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641.36 : 8,465.54 = 2,719.96 : x
  2. Step 2: Convert to fraction form
    5,641.36/8,465.54 = 2,719.96/x
  3. Step 3: Cross multiply
    5,641.36x = 8,465.54 × 2,719.96
  4. Step 4: Simplify right side
    5,641.36x = 23,025,930.18
  5. Step 5: Solve for x
    x = 23,025,930.18/5,641.36
  6. Step 6: Final answer
    x = 4,081.63

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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.