Home / 7,021.24-10,531.68-2,090.92

Finding the Fourth Proportional to 7,021.24, 10,531.68 and 2,090.92

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Solution

The fourth proportional to 7,021.24, 10,531.68 and 2,090.92 is: 3,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.24 : 10,531.68 = 2,090.92 : x
  2. Step 2: Convert to fraction form
    7,021.24/10,531.68 = 2,090.92/x
  3. Step 3: Cross multiply
    7,021.24x = 10,531.68 × 2,090.92
  4. Step 4: Simplify right side
    7,021.24x = 22,020,900.35
  5. Step 5: Solve for x
    x = 22,020,900.35/7,021.24
  6. Step 6: Final answer
    x = 3,136.33

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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.