Home / 5,390.20-8,029.67-5,227.03

Finding the Fourth Proportional to 5,390.20, 8,029.67 and 5,227.03

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Solution

The fourth proportional to 5,390.20, 8,029.67 and 5,227.03 is: 7,786.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.20 : 8,029.67 = 5,227.03 : x
  2. Step 2: Convert to fraction form
    5,390.20/8,029.67 = 5,227.03/x
  3. Step 3: Cross multiply
    5,390.20x = 8,029.67 × 5,227.03
  4. Step 4: Simplify right side
    5,390.20x = 41,971,325.98
  5. Step 5: Solve for x
    x = 41,971,325.98/5,390.20
  6. Step 6: Final answer
    x = 7,786.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.