Home / 4,923.78-6,794.79-2,685.65

Finding the Fourth Proportional to 4,923.78, 6,794.79 and 2,685.65

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Solution

The fourth proportional to 4,923.78, 6,794.79 and 2,685.65 is: 3,706.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.78 : 6,794.79 = 2,685.65 : x
  2. Step 2: Convert to fraction form
    4,923.78/6,794.79 = 2,685.65/x
  3. Step 3: Cross multiply
    4,923.78x = 6,794.79 × 2,685.65
  4. Step 4: Simplify right side
    4,923.78x = 18,248,427.76
  5. Step 5: Solve for x
    x = 18,248,427.76/4,923.78
  6. Step 6: Final answer
    x = 3,706.18

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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.