Home / 7,904.52-11,855.16-2,974.05

Finding the Fourth Proportional to 7,904.52, 11,855.16 and 2,974.05

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Solution

The fourth proportional to 7,904.52, 11,855.16 and 2,974.05 is: 4,460.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.52 : 11,855.16 = 2,974.05 : x
  2. Step 2: Convert to fraction form
    7,904.52/11,855.16 = 2,974.05/x
  3. Step 3: Cross multiply
    7,904.52x = 11,855.16 × 2,974.05
  4. Step 4: Simplify right side
    7,904.52x = 35,257,838.60
  5. Step 5: Solve for x
    x = 35,257,838.60/7,904.52
  6. Step 6: Final answer
    x = 4,460.47

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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.