Home / 5,639.85-8,466.26-3,919.41

Finding the Fourth Proportional to 5,639.85, 8,466.26 and 3,919.41

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Solution

The fourth proportional to 5,639.85, 8,466.26 and 3,919.41 is: 5,883.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.85 : 8,466.26 = 3,919.41 : x
  2. Step 2: Convert to fraction form
    5,639.85/8,466.26 = 3,919.41/x
  3. Step 3: Cross multiply
    5,639.85x = 8,466.26 × 3,919.41
  4. Step 4: Simplify right side
    5,639.85x = 33,182,724.51
  5. Step 5: Solve for x
    x = 33,182,724.51/5,639.85
  6. Step 6: Final answer
    x = 5,883.62

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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.