Home / 4,761.36-7,141.32-1,683.36

Finding the Fourth Proportional to 4,761.36, 7,141.32 and 1,683.36

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Solution

The fourth proportional to 4,761.36, 7,141.32 and 1,683.36 is: 2,524.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.36 : 7,141.32 = 1,683.36 : x
  2. Step 2: Convert to fraction form
    4,761.36/7,141.32 = 1,683.36/x
  3. Step 3: Cross multiply
    4,761.36x = 7,141.32 × 1,683.36
  4. Step 4: Simplify right side
    4,761.36x = 12,021,412.44
  5. Step 5: Solve for x
    x = 12,021,412.44/4,761.36
  6. Step 6: Final answer
    x = 2,524.79

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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.