Home / 5,274.08-7,908.03-1,987.44

Finding the Fourth Proportional to 5,274.08, 7,908.03 and 1,987.44

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Solution

The fourth proportional to 5,274.08, 7,908.03 and 1,987.44 is: 2,979.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.08 : 7,908.03 = 1,987.44 : x
  2. Step 2: Convert to fraction form
    5,274.08/7,908.03 = 1,987.44/x
  3. Step 3: Cross multiply
    5,274.08x = 7,908.03 × 1,987.44
  4. Step 4: Simplify right side
    5,274.08x = 15,716,705.49
  5. Step 5: Solve for x
    x = 15,716,705.49/5,274.08
  6. Step 6: Final answer
    x = 2,979.99

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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.