Home / 4,128.62-6,193.33-1,355.30

Finding the Fourth Proportional to 4,128.62, 6,193.33 and 1,355.30

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Solution

The fourth proportional to 4,128.62, 6,193.33 and 1,355.30 is: 2,033.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.62 : 6,193.33 = 1,355.30 : x
  2. Step 2: Convert to fraction form
    4,128.62/6,193.33 = 1,355.30/x
  3. Step 3: Cross multiply
    4,128.62x = 6,193.33 × 1,355.30
  4. Step 4: Simplify right side
    4,128.62x = 8,393,785.79
  5. Step 5: Solve for x
    x = 8,393,785.79/4,128.62
  6. Step 6: Final answer
    x = 2,033.08

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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.