Home / 6,740.19-10,112.24-2,790.72

Finding the Fourth Proportional to 6,740.19, 10,112.24 and 2,790.72

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Solution

The fourth proportional to 6,740.19, 10,112.24 and 2,790.72 is: 4,186.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.19 : 10,112.24 = 2,790.72 : x
  2. Step 2: Convert to fraction form
    6,740.19/10,112.24 = 2,790.72/x
  3. Step 3: Cross multiply
    6,740.19x = 10,112.24 × 2,790.72
  4. Step 4: Simplify right side
    6,740.19x = 28,220,437.39
  5. Step 5: Solve for x
    x = 28,220,437.39/6,740.19
  6. Step 6: Final answer
    x = 4,186.89

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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.