Home / 4,921.71-6,791.70-2,683.59

Finding the Fourth Proportional to 4,921.71, 6,791.70 and 2,683.59

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Solution

The fourth proportional to 4,921.71, 6,791.70 and 2,683.59 is: 3,703.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.71 : 6,791.70 = 2,683.59 : x
  2. Step 2: Convert to fraction form
    4,921.71/6,791.70 = 2,683.59/x
  3. Step 3: Cross multiply
    4,921.71x = 6,791.70 × 2,683.59
  4. Step 4: Simplify right side
    4,921.71x = 18,226,138.20
  5. Step 5: Solve for x
    x = 18,226,138.20/4,921.71
  6. Step 6: Final answer
    x = 3,703.21

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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.