Home / 5,161.83-7,124.46-3,393.60

Finding the Fourth Proportional to 5,161.83, 7,124.46 and 3,393.60

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Solution

The fourth proportional to 5,161.83, 7,124.46 and 3,393.60 is: 4,683.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.83 : 7,124.46 = 3,393.60 : x
  2. Step 2: Convert to fraction form
    5,161.83/7,124.46 = 3,393.60/x
  3. Step 3: Cross multiply
    5,161.83x = 7,124.46 × 3,393.60
  4. Step 4: Simplify right side
    5,161.83x = 24,177,567.46
  5. Step 5: Solve for x
    x = 24,177,567.46/5,161.83
  6. Step 6: Final answer
    x = 4,683.91

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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.