Home / 4,890.76-6,748.90-2,766.28

Finding the Fourth Proportional to 4,890.76, 6,748.90 and 2,766.28

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Solution

The fourth proportional to 4,890.76, 6,748.90 and 2,766.28 is: 3,817.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.76 : 6,748.90 = 2,766.28 : x
  2. Step 2: Convert to fraction form
    4,890.76/6,748.90 = 2,766.28/x
  3. Step 3: Cross multiply
    4,890.76x = 6,748.90 × 2,766.28
  4. Step 4: Simplify right side
    4,890.76x = 18,669,347.09
  5. Step 5: Solve for x
    x = 18,669,347.09/4,890.76
  6. Step 6: Final answer
    x = 3,817.27

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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.