Home / 5,088.32-7,021.89-2,850.23

Finding the Fourth Proportional to 5,088.32, 7,021.89 and 2,850.23

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Solution

The fourth proportional to 5,088.32, 7,021.89 and 2,850.23 is: 3,933.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,088.32 : 7,021.89 = 2,850.23 : x
  2. Step 2: Convert to fraction form
    5,088.32/7,021.89 = 2,850.23/x
  3. Step 3: Cross multiply
    5,088.32x = 7,021.89 × 2,850.23
  4. Step 4: Simplify right side
    5,088.32x = 20,014,019.09
  5. Step 5: Solve for x
    x = 20,014,019.09/5,088.32
  6. Step 6: Final answer
    x = 3,933.33

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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.