Home / 5,721.36-8,583.96-2,256.72

Finding the Fourth Proportional to 5,721.36, 8,583.96 and 2,256.72

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Solution

The fourth proportional to 5,721.36, 8,583.96 and 2,256.72 is: 3,385.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.36 : 8,583.96 = 2,256.72 : x
  2. Step 2: Convert to fraction form
    5,721.36/8,583.96 = 2,256.72/x
  3. Step 3: Cross multiply
    5,721.36x = 8,583.96 × 2,256.72
  4. Step 4: Simplify right side
    5,721.36x = 19,371,594.21
  5. Step 5: Solve for x
    x = 19,371,594.21/5,721.36
  6. Step 6: Final answer
    x = 3,385.84

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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.