Home / 5,269.64-7,272.04-2,911.72

Finding the Fourth Proportional to 5,269.64, 7,272.04 and 2,911.72

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Solution

The fourth proportional to 5,269.64, 7,272.04 and 2,911.72 is: 4,018.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.64 : 7,272.04 = 2,911.72 : x
  2. Step 2: Convert to fraction form
    5,269.64/7,272.04 = 2,911.72/x
  3. Step 3: Cross multiply
    5,269.64x = 7,272.04 × 2,911.72
  4. Step 4: Simplify right side
    5,269.64x = 21,174,144.31
  5. Step 5: Solve for x
    x = 21,174,144.31/5,269.64
  6. Step 6: Final answer
    x = 4,018.14

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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.