Home / 4,870.35-6,721.16-2,774.43

Finding the Fourth Proportional to 4,870.35, 6,721.16 and 2,774.43

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Solution

The fourth proportional to 4,870.35, 6,721.16 and 2,774.43 is: 3,828.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.35 : 6,721.16 = 2,774.43 : x
  2. Step 2: Convert to fraction form
    4,870.35/6,721.16 = 2,774.43/x
  3. Step 3: Cross multiply
    4,870.35x = 6,721.16 × 2,774.43
  4. Step 4: Simplify right side
    4,870.35x = 18,647,374.07
  5. Step 5: Solve for x
    x = 18,647,374.07/4,870.35
  6. Step 6: Final answer
    x = 3,828.75

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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.