Home / 5,015.28-7,521.21-2,092.08

Finding the Fourth Proportional to 5,015.28, 7,521.21 and 2,092.08

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Solution

The fourth proportional to 5,015.28, 7,521.21 and 2,092.08 is: 3,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.28 : 7,521.21 = 2,092.08 : x
  2. Step 2: Convert to fraction form
    5,015.28/7,521.21 = 2,092.08/x
  3. Step 3: Cross multiply
    5,015.28x = 7,521.21 × 2,092.08
  4. Step 4: Simplify right side
    5,015.28x = 15,734,973.02
  5. Step 5: Solve for x
    x = 15,734,973.02/5,015.28
  6. Step 6: Final answer
    x = 3,137.41

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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.