Home / 8,070.57-12,097.96-4,120.00

Finding the Fourth Proportional to 8,070.57, 12,097.96 and 4,120.00

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Solution

The fourth proportional to 8,070.57, 12,097.96 and 4,120.00 is: 6,175.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.57 : 12,097.96 = 4,120.00 : x
  2. Step 2: Convert to fraction form
    8,070.57/12,097.96 = 4,120.00/x
  3. Step 3: Cross multiply
    8,070.57x = 12,097.96 × 4,120.00
  4. Step 4: Simplify right side
    8,070.57x = 49,843,554.66
  5. Step 5: Solve for x
    x = 49,843,554.66/8,070.57
  6. Step 6: Final answer
    x = 6,175.96

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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.