Home / 7,090.18-10,634.63-2,160.98

Finding the Fourth Proportional to 7,090.18, 10,634.63 and 2,160.98

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Solution

The fourth proportional to 7,090.18, 10,634.63 and 2,160.98 is: 3,241.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.18 : 10,634.63 = 2,160.98 : x
  2. Step 2: Convert to fraction form
    7,090.18/10,634.63 = 2,160.98/x
  3. Step 3: Cross multiply
    7,090.18x = 10,634.63 × 2,160.98
  4. Step 4: Simplify right side
    7,090.18x = 22,981,222.74
  5. Step 5: Solve for x
    x = 22,981,222.74/7,090.18
  6. Step 6: Final answer
    x = 3,241.27

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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.