Home / 7,090.27-10,636.94-2,159.78

Finding the Fourth Proportional to 7,090.27, 10,636.94 and 2,159.78

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Solution

The fourth proportional to 7,090.27, 10,636.94 and 2,159.78 is: 3,240.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.27 : 10,636.94 = 2,159.78 : x
  2. Step 2: Convert to fraction form
    7,090.27/10,636.94 = 2,159.78/x
  3. Step 3: Cross multiply
    7,090.27x = 10,636.94 × 2,159.78
  4. Step 4: Simplify right side
    7,090.27x = 22,973,450.27
  5. Step 5: Solve for x
    x = 22,973,450.27/7,090.27
  6. Step 6: Final answer
    x = 3,240.14

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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.