Home / 4,692.30-6,476.54-2,805

Finding the Fourth Proportional to 4,692.30, 6,476.54 and 2,805

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Solution

The fourth proportional to 4,692.30, 6,476.54 and 2,805 is: 3,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,692.30 : 6,476.54 = 2,805 : x
  2. Step 2: Convert to fraction form
    4,692.30/6,476.54 = 2,805/x
  3. Step 3: Cross multiply
    4,692.30x = 6,476.54 × 2,805
  4. Step 4: Simplify right side
    4,692.30x = 18,166,694.70
  5. Step 5: Solve for x
    x = 18,166,694.70/4,692.30
  6. Step 6: Final answer
    x = 3,871.60

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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.