Home / 5,113.26-7,669.04-1,415.86

Finding the Fourth Proportional to 5,113.26, 7,669.04 and 1,415.86

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Solution

The fourth proportional to 5,113.26, 7,669.04 and 1,415.86 is: 2,123.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.26 : 7,669.04 = 1,415.86 : x
  2. Step 2: Convert to fraction form
    5,113.26/7,669.04 = 1,415.86/x
  3. Step 3: Cross multiply
    5,113.26x = 7,669.04 × 1,415.86
  4. Step 4: Simplify right side
    5,113.26x = 10,858,318.63
  5. Step 5: Solve for x
    x = 10,858,318.63/5,113.26
  6. Step 6: Final answer
    x = 2,123.56

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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.