Home / 4,512.35-6,768.50-1,393.56

Finding the Fourth Proportional to 4,512.35, 6,768.50 and 1,393.56

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Solution

The fourth proportional to 4,512.35, 6,768.50 and 1,393.56 is: 2,090.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,512.35 : 6,768.50 = 1,393.56 : x
  2. Step 2: Convert to fraction form
    4,512.35/6,768.50 = 1,393.56/x
  3. Step 3: Cross multiply
    4,512.35x = 6,768.50 × 1,393.56
  4. Step 4: Simplify right side
    4,512.35x = 9,432,303.89
  5. Step 5: Solve for x
    x = 9,432,303.89/4,512.35
  6. Step 6: Final answer
    x = 2,090.33

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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.