Home / 6,740.88-10,112.93-2,123.88

Finding the Fourth Proportional to 6,740.88, 10,112.93 and 2,123.88

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Solution

The fourth proportional to 6,740.88, 10,112.93 and 2,123.88 is: 3,186.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.88 : 10,112.93 = 2,123.88 : x
  2. Step 2: Convert to fraction form
    6,740.88/10,112.93 = 2,123.88/x
  3. Step 3: Cross multiply
    6,740.88x = 10,112.93 × 2,123.88
  4. Step 4: Simplify right side
    6,740.88x = 21,478,649.77
  5. Step 5: Solve for x
    x = 21,478,649.77/6,740.88
  6. Step 6: Final answer
    x = 3,186.33

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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.