Home / 4,921.47-6,791.73-2,683.45

Finding the Fourth Proportional to 4,921.47, 6,791.73 and 2,683.45

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Solution

The fourth proportional to 4,921.47, 6,791.73 and 2,683.45 is: 3,703.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.47 : 6,791.73 = 2,683.45 : x
  2. Step 2: Convert to fraction form
    4,921.47/6,791.73 = 2,683.45/x
  3. Step 3: Cross multiply
    4,921.47x = 6,791.73 × 2,683.45
  4. Step 4: Simplify right side
    4,921.47x = 18,225,267.87
  5. Step 5: Solve for x
    x = 18,225,267.87/4,921.47
  6. Step 6: Final answer
    x = 3,703.22

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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.