Home / 7,908.08-10,912.72-4,923.84

Finding the Fourth Proportional to 7,908.08, 10,912.72 and 4,923.84

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Solution

The fourth proportional to 7,908.08, 10,912.72 and 4,923.84 is: 6,794.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.08 : 10,912.72 = 4,923.84 : x
  2. Step 2: Convert to fraction form
    7,908.08/10,912.72 = 4,923.84/x
  3. Step 3: Cross multiply
    7,908.08x = 10,912.72 × 4,923.84
  4. Step 4: Simplify right side
    7,908.08x = 53,732,487.24
  5. Step 5: Solve for x
    x = 53,732,487.24/7,908.08
  6. Step 6: Final answer
    x = 6,794.63

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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.