Home / 7,090.92-10,625.60-3,388.05

Finding the Fourth Proportional to 7,090.92, 10,625.60 and 3,388.05

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Solution

The fourth proportional to 7,090.92, 10,625.60 and 3,388.05 is: 5,076.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.92 : 10,625.60 = 3,388.05 : x
  2. Step 2: Convert to fraction form
    7,090.92/10,625.60 = 3,388.05/x
  3. Step 3: Cross multiply
    7,090.92x = 10,625.60 × 3,388.05
  4. Step 4: Simplify right side
    7,090.92x = 36,000,072.55
  5. Step 5: Solve for x
    x = 36,000,072.55/7,090.92
  6. Step 6: Final answer
    x = 5,076.93

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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.