Home / 8,486.04-12,732.72-4,106.80

Finding the Fourth Proportional to 8,486.04, 12,732.72 and 4,106.80

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Solution

The fourth proportional to 8,486.04, 12,732.72 and 4,106.80 is: 6,161.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486.04 : 12,732.72 = 4,106.80 : x
  2. Step 2: Convert to fraction form
    8,486.04/12,732.72 = 4,106.80/x
  3. Step 3: Cross multiply
    8,486.04x = 12,732.72 × 4,106.80
  4. Step 4: Simplify right side
    8,486.04x = 52,290,734.50
  5. Step 5: Solve for x
    x = 52,290,734.50/8,486.04
  6. Step 6: Final answer
    x = 6,161.97

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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.