Home / 4,772.78-6,586.42-2,782.95

Finding the Fourth Proportional to 4,772.78, 6,586.42 and 2,782.95

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Solution

The fourth proportional to 4,772.78, 6,586.42 and 2,782.95 is: 3,840.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.78 : 6,586.42 = 2,782.95 : x
  2. Step 2: Convert to fraction form
    4,772.78/6,586.42 = 2,782.95/x
  3. Step 3: Cross multiply
    4,772.78x = 6,586.42 × 2,782.95
  4. Step 4: Simplify right side
    4,772.78x = 18,329,677.54
  5. Step 5: Solve for x
    x = 18,329,677.54/4,772.78
  6. Step 6: Final answer
    x = 3,840.46

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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.