Home / 4,864.94-7,285.72-2,778.62

Finding the Fourth Proportional to 4,864.94, 7,285.72 and 2,778.62

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Solution

The fourth proportional to 4,864.94, 7,285.72 and 2,778.62 is: 4,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,864.94 : 7,285.72 = 2,778.62 : x
  2. Step 2: Convert to fraction form
    4,864.94/7,285.72 = 2,778.62/x
  3. Step 3: Cross multiply
    4,864.94x = 7,285.72 × 2,778.62
  4. Step 4: Simplify right side
    4,864.94x = 20,244,247.31
  5. Step 5: Solve for x
    x = 20,244,247.31/4,864.94
  6. Step 6: Final answer
    x = 4,161.25

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1.5x scale

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.