Home / 5,290.05-7,928.16-2,949.96

Finding the Fourth Proportional to 5,290.05, 7,928.16 and 2,949.96

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Solution

The fourth proportional to 5,290.05, 7,928.16 and 2,949.96 is: 4,421.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.05 : 7,928.16 = 2,949.96 : x
  2. Step 2: Convert to fraction form
    5,290.05/7,928.16 = 2,949.96/x
  3. Step 3: Cross multiply
    5,290.05x = 7,928.16 × 2,949.96
  4. Step 4: Simplify right side
    5,290.05x = 23,387,754.87
  5. Step 5: Solve for x
    x = 23,387,754.87/5,290.05
  6. Step 6: Final answer
    x = 4,421.08

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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.