Home / 6,740.11-10,112-3,820.47

Finding the Fourth Proportional to 6,740.11, 10,112 and 3,820.47

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Solution

The fourth proportional to 6,740.11, 10,112 and 3,820.47 is: 5,731.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.11 : 10,112 = 3,820.47 : x
  2. Step 2: Convert to fraction form
    6,740.11/10,112 = 3,820.47/x
  3. Step 3: Cross multiply
    6,740.11x = 10,112 × 3,820.47
  4. Step 4: Simplify right side
    6,740.11x = 38,632,592.64
  5. Step 5: Solve for x
    x = 38,632,592.64/6,740.11
  6. Step 6: Final answer
    x = 5,731.75

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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.