Home / 4,790.52-7,190.62-3,405.42

Finding the Fourth Proportional to 4,790.52, 7,190.62 and 3,405.42

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Solution

The fourth proportional to 4,790.52, 7,190.62 and 3,405.42 is: 5,111.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.52 : 7,190.62 = 3,405.42 : x
  2. Step 2: Convert to fraction form
    4,790.52/7,190.62 = 3,405.42/x
  3. Step 3: Cross multiply
    4,790.52x = 7,190.62 × 3,405.42
  4. Step 4: Simplify right side
    4,790.52x = 24,487,081.16
  5. Step 5: Solve for x
    x = 24,487,081.16/4,790.52
  6. Step 6: Final answer
    x = 5,111.57

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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.