Home / 8,261.40-12,392.62-3,331.02

Finding the Fourth Proportional to 8,261.40, 12,392.62 and 3,331.02

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Solution

The fourth proportional to 8,261.40, 12,392.62 and 3,331.02 is: 4,996.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.40 : 12,392.62 = 3,331.02 : x
  2. Step 2: Convert to fraction form
    8,261.40/12,392.62 = 3,331.02/x
  3. Step 3: Cross multiply
    8,261.40x = 12,392.62 × 3,331.02
  4. Step 4: Simplify right side
    8,261.40x = 41,280,065.07
  5. Step 5: Solve for x
    x = 41,280,065.07/8,261.40
  6. Step 6: Final answer
    x = 4,996.74

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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.