Home / 6,828.72-10,236.90-4,749.70

Finding the Fourth Proportional to 6,828.72, 10,236.90 and 4,749.70

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Solution

The fourth proportional to 6,828.72, 10,236.90 and 4,749.70 is: 7,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.72 : 10,236.90 = 4,749.70 : x
  2. Step 2: Convert to fraction form
    6,828.72/10,236.90 = 4,749.70/x
  3. Step 3: Cross multiply
    6,828.72x = 10,236.90 × 4,749.70
  4. Step 4: Simplify right side
    6,828.72x = 48,622,203.93
  5. Step 5: Solve for x
    x = 48,622,203.93/6,828.72
  6. Step 6: Final answer
    x = 7,120.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.