Home / 5,516.96-8,279.76-2,054.40

Finding the Fourth Proportional to 5,516.96, 8,279.76 and 2,054.40

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Solution

The fourth proportional to 5,516.96, 8,279.76 and 2,054.40 is: 3,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.96 : 8,279.76 = 2,054.40 : x
  2. Step 2: Convert to fraction form
    5,516.96/8,279.76 = 2,054.40/x
  3. Step 3: Cross multiply
    5,516.96x = 8,279.76 × 2,054.40
  4. Step 4: Simplify right side
    5,516.96x = 17,009,938.94
  5. Step 5: Solve for x
    x = 17,009,938.94/5,516.96
  6. Step 6: Final answer
    x = 3,083.21

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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.