Home / 6,749.50-10,130.73-3,289.18

Finding the Fourth Proportional to 6,749.50, 10,130.73 and 3,289.18

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Solution

The fourth proportional to 6,749.50, 10,130.73 and 3,289.18 is: 4,936.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.50 : 10,130.73 = 3,289.18 : x
  2. Step 2: Convert to fraction form
    6,749.50/10,130.73 = 3,289.18/x
  3. Step 3: Cross multiply
    6,749.50x = 10,130.73 × 3,289.18
  4. Step 4: Simplify right side
    6,749.50x = 33,321,794.50
  5. Step 5: Solve for x
    x = 33,321,794.50/6,749.50
  6. Step 6: Final answer
    x = 4,936.93

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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.