Home / 6,858.87-9,466.01-3,874.90

Finding the Fourth Proportional to 6,858.87, 9,466.01 and 3,874.90

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Solution

The fourth proportional to 6,858.87, 9,466.01 and 3,874.90 is: 5,347.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.87 : 9,466.01 = 3,874.90 : x
  2. Step 2: Convert to fraction form
    6,858.87/9,466.01 = 3,874.90/x
  3. Step 3: Cross multiply
    6,858.87x = 9,466.01 × 3,874.90
  4. Step 4: Simplify right side
    6,858.87x = 36,679,794.82
  5. Step 5: Solve for x
    x = 36,679,794.82/6,858.87
  6. Step 6: Final answer
    x = 5,347.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.