Home / 4,921.57-6,791.67-2,683.46

Finding the Fourth Proportional to 4,921.57, 6,791.67 and 2,683.46

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Solution

The fourth proportional to 4,921.57, 6,791.67 and 2,683.46 is: 3,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.57 : 6,791.67 = 2,683.46 : x
  2. Step 2: Convert to fraction form
    4,921.57/6,791.67 = 2,683.46/x
  3. Step 3: Cross multiply
    4,921.57x = 6,791.67 × 2,683.46
  4. Step 4: Simplify right side
    4,921.57x = 18,225,174.78
  5. Step 5: Solve for x
    x = 18,225,174.78/4,921.57
  6. Step 6: Final answer
    x = 3,703.12

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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.