Home / 5,190.22-7,778.40-2,846.69

Finding the Fourth Proportional to 5,190.22, 7,778.40 and 2,846.69

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Solution

The fourth proportional to 5,190.22, 7,778.40 and 2,846.69 is: 4,266.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.22 : 7,778.40 = 2,846.69 : x
  2. Step 2: Convert to fraction form
    5,190.22/7,778.40 = 2,846.69/x
  3. Step 3: Cross multiply
    5,190.22x = 7,778.40 × 2,846.69
  4. Step 4: Simplify right side
    5,190.22x = 22,142,693.50
  5. Step 5: Solve for x
    x = 22,142,693.50/5,190.22
  6. Step 6: Final answer
    x = 4,266.23

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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.