Home / 5,474.22-8,215.34-2,188.28

Finding the Fourth Proportional to 5,474.22, 8,215.34 and 2,188.28

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Solution

The fourth proportional to 5,474.22, 8,215.34 and 2,188.28 is: 3,284.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.22 : 8,215.34 = 2,188.28 : x
  2. Step 2: Convert to fraction form
    5,474.22/8,215.34 = 2,188.28/x
  3. Step 3: Cross multiply
    5,474.22x = 8,215.34 × 2,188.28
  4. Step 4: Simplify right side
    5,474.22x = 17,977,412.20
  5. Step 5: Solve for x
    x = 17,977,412.20/5,474.22
  6. Step 6: Final answer
    x = 3,284.01

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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.