Home / 5,190.54-7,781.13-3,525.23

Finding the Fourth Proportional to 5,190.54, 7,781.13 and 3,525.23

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Solution

The fourth proportional to 5,190.54, 7,781.13 and 3,525.23 is: 5,284.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.54 : 7,781.13 = 3,525.23 : x
  2. Step 2: Convert to fraction form
    5,190.54/7,781.13 = 3,525.23/x
  3. Step 3: Cross multiply
    5,190.54x = 7,781.13 × 3,525.23
  4. Step 4: Simplify right side
    5,190.54x = 27,430,272.91
  5. Step 5: Solve for x
    x = 27,430,272.91/5,190.54
  6. Step 6: Final answer
    x = 5,284.67

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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.