Home / 5,190.34-7,162.87-2,952.42

Finding the Fourth Proportional to 5,190.34, 7,162.87 and 2,952.42

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Solution

The fourth proportional to 5,190.34, 7,162.87 and 2,952.42 is: 4,074.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.34 : 7,162.87 = 2,952.42 : x
  2. Step 2: Convert to fraction form
    5,190.34/7,162.87 = 2,952.42/x
  3. Step 3: Cross multiply
    5,190.34x = 7,162.87 × 2,952.42
  4. Step 4: Simplify right side
    5,190.34x = 21,147,800.65
  5. Step 5: Solve for x
    x = 21,147,800.65/5,190.34
  6. Step 6: Final answer
    x = 4,074.45

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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.