Home / 9,282.68-12,809.82-5,090.84

Finding the Fourth Proportional to 9,282.68, 12,809.82 and 5,090.84

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Solution

The fourth proportional to 9,282.68, 12,809.82 and 5,090.84 is: 7,025.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,282.68 : 12,809.82 = 5,090.84 : x
  2. Step 2: Convert to fraction form
    9,282.68/12,809.82 = 5,090.84/x
  3. Step 3: Cross multiply
    9,282.68x = 12,809.82 × 5,090.84
  4. Step 4: Simplify right side
    9,282.68x = 65,212,744.05
  5. Step 5: Solve for x
    x = 65,212,744.05/9,282.68
  6. Step 6: Final answer
    x = 7,025.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.