Home / 4,222.09-5,827.29-2,783.93

Finding the Fourth Proportional to 4,222.09, 5,827.29 and 2,783.93

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Solution

The fourth proportional to 4,222.09, 5,827.29 and 2,783.93 is: 3,842.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.09 : 5,827.29 = 2,783.93 : x
  2. Step 2: Convert to fraction form
    4,222.09/5,827.29 = 2,783.93/x
  3. Step 3: Cross multiply
    4,222.09x = 5,827.29 × 2,783.93
  4. Step 4: Simplify right side
    4,222.09x = 16,222,763.84
  5. Step 5: Solve for x
    x = 16,222,763.84/4,222.09
  6. Step 6: Final answer
    x = 3,842.35

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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.