Home / 4,282.02-6,391.79-3,969.54

Finding the Fourth Proportional to 4,282.02, 6,391.79 and 3,969.54

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Solution

The fourth proportional to 4,282.02, 6,391.79 and 3,969.54 is: 5,925.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.02 : 6,391.79 = 3,969.54 : x
  2. Step 2: Convert to fraction form
    4,282.02/6,391.79 = 3,969.54/x
  3. Step 3: Cross multiply
    4,282.02x = 6,391.79 × 3,969.54
  4. Step 4: Simplify right side
    4,282.02x = 25,372,446.23
  5. Step 5: Solve for x
    x = 25,372,446.23/4,282.02
  6. Step 6: Final answer
    x = 5,925.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.