Home / 5,290.63-7,936.09-2,949.32

Finding the Fourth Proportional to 5,290.63, 7,936.09 and 2,949.32

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Solution

The fourth proportional to 5,290.63, 7,936.09 and 2,949.32 is: 4,424.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.63 : 7,936.09 = 2,949.32 : x
  2. Step 2: Convert to fraction form
    5,290.63/7,936.09 = 2,949.32/x
  3. Step 3: Cross multiply
    5,290.63x = 7,936.09 × 2,949.32
  4. Step 4: Simplify right side
    5,290.63x = 23,406,081.43
  5. Step 5: Solve for x
    x = 23,406,081.43/5,290.63
  6. Step 6: Final answer
    x = 4,424.07

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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.