Home / 6,890.86-10,340.34-2,508.58

Finding the Fourth Proportional to 6,890.86, 10,340.34 and 2,508.58

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Solution

The fourth proportional to 6,890.86, 10,340.34 and 2,508.58 is: 3,764.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.86 : 10,340.34 = 2,508.58 : x
  2. Step 2: Convert to fraction form
    6,890.86/10,340.34 = 2,508.58/x
  3. Step 3: Cross multiply
    6,890.86x = 10,340.34 × 2,508.58
  4. Step 4: Simplify right side
    6,890.86x = 25,939,570.12
  5. Step 5: Solve for x
    x = 25,939,570.12/6,890.86
  6. Step 6: Final answer
    x = 3,764.34

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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.