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Finding the Fourth Proportional to 4,281.52, 6,391.04 and 3,969.04

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Solution

The fourth proportional to 4,281.52, 6,391.04 and 3,969.04 is: 5,924.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.52 : 6,391.04 = 3,969.04 : x
  2. Step 2: Convert to fraction form
    4,281.52/6,391.04 = 3,969.04/x
  3. Step 3: Cross multiply
    4,281.52x = 6,391.04 × 3,969.04
  4. Step 4: Simplify right side
    4,281.52x = 25,366,293.40
  5. Step 5: Solve for x
    x = 25,366,293.40/4,281.52
  6. Step 6: Final answer
    x = 5,924.60

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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.