Home / 4,890.90-6,749.13-2,794.98

Finding the Fourth Proportional to 4,890.90, 6,749.13 and 2,794.98

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Solution

The fourth proportional to 4,890.90, 6,749.13 and 2,794.98 is: 3,856.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.90 : 6,749.13 = 2,794.98 : x
  2. Step 2: Convert to fraction form
    4,890.90/6,749.13 = 2,794.98/x
  3. Step 3: Cross multiply
    4,890.90x = 6,749.13 × 2,794.98
  4. Step 4: Simplify right side
    4,890.90x = 18,863,683.37
  5. Step 5: Solve for x
    x = 18,863,683.37/4,890.90
  6. Step 6: Final answer
    x = 3,856.89

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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.