Home / 7,131.24-10,677.69-4,659.93

Finding the Fourth Proportional to 7,131.24, 10,677.69 and 4,659.93

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Solution

The fourth proportional to 7,131.24, 10,677.69 and 4,659.93 is: 6,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.24 : 10,677.69 = 4,659.93 : x
  2. Step 2: Convert to fraction form
    7,131.24/10,677.69 = 4,659.93/x
  3. Step 3: Cross multiply
    7,131.24x = 10,677.69 × 4,659.93
  4. Step 4: Simplify right side
    7,131.24x = 49,757,287.96
  5. Step 5: Solve for x
    x = 49,757,287.96/7,131.24
  6. Step 6: Final answer
    x = 6,977.37

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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.