Home / 4,269.48-6,405.52-2,190.96

Finding the Fourth Proportional to 4,269.48, 6,405.52 and 2,190.96

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Solution

The fourth proportional to 4,269.48, 6,405.52 and 2,190.96 is: 3,287.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.48 : 6,405.52 = 2,190.96 : x
  2. Step 2: Convert to fraction form
    4,269.48/6,405.52 = 2,190.96/x
  3. Step 3: Cross multiply
    4,269.48x = 6,405.52 × 2,190.96
  4. Step 4: Simplify right side
    4,269.48x = 14,034,238.10
  5. Step 5: Solve for x
    x = 14,034,238.10/4,269.48
  6. Step 6: Final answer
    x = 3,287.11

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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.