Home / 6,739.61-10,112.14-2,581.57

Finding the Fourth Proportional to 6,739.61, 10,112.14 and 2,581.57

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Solution

The fourth proportional to 6,739.61, 10,112.14 and 2,581.57 is: 3,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.61 : 10,112.14 = 2,581.57 : x
  2. Step 2: Convert to fraction form
    6,739.61/10,112.14 = 2,581.57/x
  3. Step 3: Cross multiply
    6,739.61x = 10,112.14 × 2,581.57
  4. Step 4: Simplify right side
    6,739.61x = 26,105,213.13
  5. Step 5: Solve for x
    x = 26,105,213.13/6,739.61
  6. Step 6: Final answer
    x = 3,873.40

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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.