Home / 8,641.23-12,963.89-2,797.83

Finding the Fourth Proportional to 8,641.23, 12,963.89 and 2,797.83

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Solution

The fourth proportional to 8,641.23, 12,963.89 and 2,797.83 is: 4,197.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,641.23 : 12,963.89 = 2,797.83 : x
  2. Step 2: Convert to fraction form
    8,641.23/12,963.89 = 2,797.83/x
  3. Step 3: Cross multiply
    8,641.23x = 12,963.89 × 2,797.83
  4. Step 4: Simplify right side
    8,641.23x = 36,270,760.36
  5. Step 5: Solve for x
    x = 36,270,760.36/8,641.23
  6. Step 6: Final answer
    x = 4,197.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.