Home / 6,724.86-10,088.91-2,107.86

Finding the Fourth Proportional to 6,724.86, 10,088.91 and 2,107.86

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Solution

The fourth proportional to 6,724.86, 10,088.91 and 2,107.86 is: 3,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.86 : 10,088.91 = 2,107.86 : x
  2. Step 2: Convert to fraction form
    6,724.86/10,088.91 = 2,107.86/x
  3. Step 3: Cross multiply
    6,724.86x = 10,088.91 × 2,107.86
  4. Step 4: Simplify right side
    6,724.86x = 21,266,001.55
  5. Step 5: Solve for x
    x = 21,266,001.55/6,724.86
  6. Step 6: Final answer
    x = 3,162.30

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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.