Home / 4,616.84-6,369.36-3,220.40

Finding the Fourth Proportional to 4,616.84, 6,369.36 and 3,220.40

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Solution

The fourth proportional to 4,616.84, 6,369.36 and 3,220.40 is: 4,442.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,616.84 : 6,369.36 = 3,220.40 : x
  2. Step 2: Convert to fraction form
    4,616.84/6,369.36 = 3,220.40/x
  3. Step 3: Cross multiply
    4,616.84x = 6,369.36 × 3,220.40
  4. Step 4: Simplify right side
    4,616.84x = 20,511,886.94
  5. Step 5: Solve for x
    x = 20,511,886.94/4,616.84
  6. Step 6: Final answer
    x = 4,442.84

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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.