Home / 6,420.06-8,863.83-4,033.40

Finding the Fourth Proportional to 6,420.06, 8,863.83 and 4,033.40

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Solution

The fourth proportional to 6,420.06, 8,863.83 and 4,033.40 is: 5,568.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420.06 : 8,863.83 = 4,033.40 : x
  2. Step 2: Convert to fraction form
    6,420.06/8,863.83 = 4,033.40/x
  3. Step 3: Cross multiply
    6,420.06x = 8,863.83 × 4,033.40
  4. Step 4: Simplify right side
    6,420.06x = 35,751,327.60
  5. Step 5: Solve for x
    x = 35,751,327.60/6,420.06
  6. Step 6: Final answer
    x = 5,568.69

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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.