Home / 4,818.21-7,227.56-1,355.73

Finding the Fourth Proportional to 4,818.21, 7,227.56 and 1,355.73

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Solution

The fourth proportional to 4,818.21, 7,227.56 and 1,355.73 is: 2,033.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.21 : 7,227.56 = 1,355.73 : x
  2. Step 2: Convert to fraction form
    4,818.21/7,227.56 = 1,355.73/x
  3. Step 3: Cross multiply
    4,818.21x = 7,227.56 × 1,355.73
  4. Step 4: Simplify right side
    4,818.21x = 9,798,623.31
  5. Step 5: Solve for x
    x = 9,798,623.31/4,818.21
  6. Step 6: Final answer
    x = 2,033.66

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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.