Home / 7,090.95-10,638.15-2,160.33

Finding the Fourth Proportional to 7,090.95, 10,638.15 and 2,160.33

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Solution

The fourth proportional to 7,090.95, 10,638.15 and 2,160.33 is: 3,241.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.95 : 10,638.15 = 2,160.33 : x
  2. Step 2: Convert to fraction form
    7,090.95/10,638.15 = 2,160.33/x
  3. Step 3: Cross multiply
    7,090.95x = 10,638.15 × 2,160.33
  4. Step 4: Simplify right side
    7,090.95x = 22,981,914.59
  5. Step 5: Solve for x
    x = 22,981,914.59/7,090.95
  6. Step 6: Final answer
    x = 3,241.02

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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.