Home / 4,890.69-6,749.11-2,766.63

Finding the Fourth Proportional to 4,890.69, 6,749.11 and 2,766.63

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Solution

The fourth proportional to 4,890.69, 6,749.11 and 2,766.63 is: 3,817.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.69 : 6,749.11 = 2,766.63 : x
  2. Step 2: Convert to fraction form
    4,890.69/6,749.11 = 2,766.63/x
  3. Step 3: Cross multiply
    4,890.69x = 6,749.11 × 2,766.63
  4. Step 4: Simplify right side
    4,890.69x = 18,672,303.40
  5. Step 5: Solve for x
    x = 18,672,303.40/4,890.69
  6. Step 6: Final answer
    x = 3,817.93

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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.