Home / 5,135.30-7,704.51-2,015.14

Finding the Fourth Proportional to 5,135.30, 7,704.51 and 2,015.14

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Solution

The fourth proportional to 5,135.30, 7,704.51 and 2,015.14 is: 3,023.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.30 : 7,704.51 = 2,015.14 : x
  2. Step 2: Convert to fraction form
    5,135.30/7,704.51 = 2,015.14/x
  3. Step 3: Cross multiply
    5,135.30x = 7,704.51 × 2,015.14
  4. Step 4: Simplify right side
    5,135.30x = 15,525,666.28
  5. Step 5: Solve for x
    x = 15,525,666.28/5,135.30
  6. Step 6: Final answer
    x = 3,023.32

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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.