Home / 4,890.96-6,749.64-2,795.28

Finding the Fourth Proportional to 4,890.96, 6,749.64 and 2,795.28

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Solution

The fourth proportional to 4,890.96, 6,749.64 and 2,795.28 is: 3,857.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.96 : 6,749.64 = 2,795.28 : x
  2. Step 2: Convert to fraction form
    4,890.96/6,749.64 = 2,795.28/x
  3. Step 3: Cross multiply
    4,890.96x = 6,749.64 × 2,795.28
  4. Step 4: Simplify right side
    4,890.96x = 18,867,133.70
  5. Step 5: Solve for x
    x = 18,867,133.70/4,890.96
  6. Step 6: Final answer
    x = 3,857.55

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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.