Home / 6,890.96-10,338.87-2,508.86

Finding the Fourth Proportional to 6,890.96, 10,338.87 and 2,508.86

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Solution

The fourth proportional to 6,890.96, 10,338.87 and 2,508.86 is: 3,764.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.96 : 10,338.87 = 2,508.86 : x
  2. Step 2: Convert to fraction form
    6,890.96/10,338.87 = 2,508.86/x
  3. Step 3: Cross multiply
    6,890.96x = 10,338.87 × 2,508.86
  4. Step 4: Simplify right side
    6,890.96x = 25,938,777.39
  5. Step 5: Solve for x
    x = 25,938,777.39/6,890.96
  6. Step 6: Final answer
    x = 3,764.17

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1.5x scale

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.