Home / 7,134.18-10,699.43-2,135.36

Finding the Fourth Proportional to 7,134.18, 10,699.43 and 2,135.36

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Solution

The fourth proportional to 7,134.18, 10,699.43 and 2,135.36 is: 3,202.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.18 : 10,699.43 = 2,135.36 : x
  2. Step 2: Convert to fraction form
    7,134.18/10,699.43 = 2,135.36/x
  3. Step 3: Cross multiply
    7,134.18x = 10,699.43 × 2,135.36
  4. Step 4: Simplify right side
    7,134.18x = 22,847,150.92
  5. Step 5: Solve for x
    x = 22,847,150.92/7,134.18
  6. Step 6: Final answer
    x = 3,202.49

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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.