Home / 7,156.19-10,723.37-3,640.93

Finding the Fourth Proportional to 7,156.19, 10,723.37 and 3,640.93

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Solution

The fourth proportional to 7,156.19, 10,723.37 and 3,640.93 is: 5,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.19 : 10,723.37 = 3,640.93 : x
  2. Step 2: Convert to fraction form
    7,156.19/10,723.37 = 3,640.93/x
  3. Step 3: Cross multiply
    7,156.19x = 10,723.37 × 3,640.93
  4. Step 4: Simplify right side
    7,156.19x = 39,042,994.52
  5. Step 5: Solve for x
    x = 39,042,994.52/7,156.19
  6. Step 6: Final answer
    x = 5,455.83

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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.