Home / 7,271.24-10,894.32-3,986.66

Finding the Fourth Proportional to 7,271.24, 10,894.32 and 3,986.66

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Solution

The fourth proportional to 7,271.24, 10,894.32 and 3,986.66 is: 5,973.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.24 : 10,894.32 = 3,986.66 : x
  2. Step 2: Convert to fraction form
    7,271.24/10,894.32 = 3,986.66/x
  3. Step 3: Cross multiply
    7,271.24x = 10,894.32 × 3,986.66
  4. Step 4: Simplify right side
    7,271.24x = 43,431,949.77
  5. Step 5: Solve for x
    x = 43,431,949.77/7,271.24
  6. Step 6: Final answer
    x = 5,973.11

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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.