Home / 4,269.10-6,399.52-2,190.10

Finding the Fourth Proportional to 4,269.10, 6,399.52 and 2,190.10

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Solution

The fourth proportional to 4,269.10, 6,399.52 and 2,190.10 is: 3,283.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.10 : 6,399.52 = 2,190.10 : x
  2. Step 2: Convert to fraction form
    4,269.10/6,399.52 = 2,190.10/x
  3. Step 3: Cross multiply
    4,269.10x = 6,399.52 × 2,190.10
  4. Step 4: Simplify right side
    4,269.10x = 14,015,588.75
  5. Step 5: Solve for x
    x = 14,015,588.75/4,269.10
  6. Step 6: Final answer
    x = 3,283.03

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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.