Home / 8,070.23-12,103.29-2,874.89

Finding the Fourth Proportional to 8,070.23, 12,103.29 and 2,874.89

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Solution

The fourth proportional to 8,070.23, 12,103.29 and 2,874.89 is: 4,311.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.23 : 12,103.29 = 2,874.89 : x
  2. Step 2: Convert to fraction form
    8,070.23/12,103.29 = 2,874.89/x
  3. Step 3: Cross multiply
    8,070.23x = 12,103.29 × 2,874.89
  4. Step 4: Simplify right side
    8,070.23x = 34,795,657.65
  5. Step 5: Solve for x
    x = 34,795,657.65/8,070.23
  6. Step 6: Final answer
    x = 4,311.61

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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.