Home / 7,960.88-10,974.32-4,975.36

Finding the Fourth Proportional to 7,960.88, 10,974.32 and 4,975.36

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Solution

The fourth proportional to 7,960.88, 10,974.32 and 4,975.36 is: 6,858.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.88 : 10,974.32 = 4,975.36 : x
  2. Step 2: Convert to fraction form
    7,960.88/10,974.32 = 4,975.36/x
  3. Step 3: Cross multiply
    7,960.88x = 10,974.32 × 4,975.36
  4. Step 4: Simplify right side
    7,960.88x = 54,601,192.76
  5. Step 5: Solve for x
    x = 54,601,192.76/7,960.88
  6. Step 6: Final answer
    x = 6,858.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.