Home / 7,133.37-10,699.86-2,751.78

Finding the Fourth Proportional to 7,133.37, 10,699.86 and 2,751.78

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Solution

The fourth proportional to 7,133.37, 10,699.86 and 2,751.78 is: 4,127.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133.37 : 10,699.86 = 2,751.78 : x
  2. Step 2: Convert to fraction form
    7,133.37/10,699.86 = 2,751.78/x
  3. Step 3: Cross multiply
    7,133.37x = 10,699.86 × 2,751.78
  4. Step 4: Simplify right side
    7,133.37x = 29,443,650.43
  5. Step 5: Solve for x
    x = 29,443,650.43/7,133.37
  6. Step 6: Final answer
    x = 4,127.59

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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.