Home / 8,071.65-12,114.74-3,395.12

Finding the Fourth Proportional to 8,071.65, 12,114.74 and 3,395.12

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Solution

The fourth proportional to 8,071.65, 12,114.74 and 3,395.12 is: 5,095.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.65 : 12,114.74 = 3,395.12 : x
  2. Step 2: Convert to fraction form
    8,071.65/12,114.74 = 3,395.12/x
  3. Step 3: Cross multiply
    8,071.65x = 12,114.74 × 3,395.12
  4. Step 4: Simplify right side
    8,071.65x = 41,130,943.98
  5. Step 5: Solve for x
    x = 41,130,943.98/8,071.65
  6. Step 6: Final answer
    x = 5,095.73

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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.