Home / 4,222.61-5,827.92-2,455.25

Finding the Fourth Proportional to 4,222.61, 5,827.92 and 2,455.25

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Solution

The fourth proportional to 4,222.61, 5,827.92 and 2,455.25 is: 3,388.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.61 : 5,827.92 = 2,455.25 : x
  2. Step 2: Convert to fraction form
    4,222.61/5,827.92 = 2,455.25/x
  3. Step 3: Cross multiply
    4,222.61x = 5,827.92 × 2,455.25
  4. Step 4: Simplify right side
    4,222.61x = 14,308,971.44
  5. Step 5: Solve for x
    x = 14,308,971.44/4,222.61
  6. Step 6: Final answer
    x = 3,388.66

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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.