Home / 4,222.15-5,828.03-2,900.23

Finding the Fourth Proportional to 4,222.15, 5,828.03 and 2,900.23

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Solution

The fourth proportional to 4,222.15, 5,828.03 and 2,900.23 is: 4,003.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.15 : 5,828.03 = 2,900.23 : x
  2. Step 2: Convert to fraction form
    4,222.15/5,828.03 = 2,900.23/x
  3. Step 3: Cross multiply
    4,222.15x = 5,828.03 × 2,900.23
  4. Step 4: Simplify right side
    4,222.15x = 16,902,612.95
  5. Step 5: Solve for x
    x = 16,902,612.95/4,222.15
  6. Step 6: Final answer
    x = 4,003.32

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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.