Home / 5,190.66-7,162.98-2,832.84

Finding the Fourth Proportional to 5,190.66, 7,162.98 and 2,832.84

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Solution

The fourth proportional to 5,190.66, 7,162.98 and 2,832.84 is: 3,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.66 : 7,162.98 = 2,832.84 : x
  2. Step 2: Convert to fraction form
    5,190.66/7,162.98 = 2,832.84/x
  3. Step 3: Cross multiply
    5,190.66x = 7,162.98 × 2,832.84
  4. Step 4: Simplify right side
    5,190.66x = 20,291,576.26
  5. Step 5: Solve for x
    x = 20,291,576.26/5,190.66
  6. Step 6: Final answer
    x = 3,909.25

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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.