Home / 8,392.04-12,589.66-2,843.90

Finding the Fourth Proportional to 8,392.04, 12,589.66 and 2,843.90

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Solution

The fourth proportional to 8,392.04, 12,589.66 and 2,843.90 is: 4,266.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392.04 : 12,589.66 = 2,843.90 : x
  2. Step 2: Convert to fraction form
    8,392.04/12,589.66 = 2,843.90/x
  3. Step 3: Cross multiply
    8,392.04x = 12,589.66 × 2,843.90
  4. Step 4: Simplify right side
    8,392.04x = 35,803,734.07
  5. Step 5: Solve for x
    x = 35,803,734.07/8,392.04
  6. Step 6: Final answer
    x = 4,266.39

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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.