Home / 5,190.86-7,162.29-3,301.75

Finding the Fourth Proportional to 5,190.86, 7,162.29 and 3,301.75

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Solution

The fourth proportional to 5,190.86, 7,162.29 and 3,301.75 is: 4,555.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.86 : 7,162.29 = 3,301.75 : x
  2. Step 2: Convert to fraction form
    5,190.86/7,162.29 = 3,301.75/x
  3. Step 3: Cross multiply
    5,190.86x = 7,162.29 × 3,301.75
  4. Step 4: Simplify right side
    5,190.86x = 23,648,074.50
  5. Step 5: Solve for x
    x = 23,648,074.50/5,190.86
  6. Step 6: Final answer
    x = 4,555.72

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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.