Home / 7,021.92-10,532.34-2,090.64

Finding the Fourth Proportional to 7,021.92, 10,532.34 and 2,090.64

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Solution

The fourth proportional to 7,021.92, 10,532.34 and 2,090.64 is: 3,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.92 : 10,532.34 = 2,090.64 : x
  2. Step 2: Convert to fraction form
    7,021.92/10,532.34 = 2,090.64/x
  3. Step 3: Cross multiply
    7,021.92x = 10,532.34 × 2,090.64
  4. Step 4: Simplify right side
    7,021.92x = 22,019,331.30
  5. Step 5: Solve for x
    x = 22,019,331.30/7,021.92
  6. Step 6: Final answer
    x = 3,135.80

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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.