Home / 8,394.22-12,591.10-3,460.20

Finding the Fourth Proportional to 8,394.22, 12,591.10 and 3,460.20

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Solution

The fourth proportional to 8,394.22, 12,591.10 and 3,460.20 is: 5,190.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.22 : 12,591.10 = 3,460.20 : x
  2. Step 2: Convert to fraction form
    8,394.22/12,591.10 = 3,460.20/x
  3. Step 3: Cross multiply
    8,394.22x = 12,591.10 × 3,460.20
  4. Step 4: Simplify right side
    8,394.22x = 43,567,724.22
  5. Step 5: Solve for x
    x = 43,567,724.22/8,394.22
  6. Step 6: Final answer
    x = 5,190.21

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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.