Home / 4,815.96-7,223.46-1,738.20

Finding the Fourth Proportional to 4,815.96, 7,223.46 and 1,738.20

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Solution

The fourth proportional to 4,815.96, 7,223.46 and 1,738.20 is: 2,607.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.96 : 7,223.46 = 1,738.20 : x
  2. Step 2: Convert to fraction form
    4,815.96/7,223.46 = 1,738.20/x
  3. Step 3: Cross multiply
    4,815.96x = 7,223.46 × 1,738.20
  4. Step 4: Simplify right side
    4,815.96x = 12,555,818.17
  5. Step 5: Solve for x
    x = 12,555,818.17/4,815.96
  6. Step 6: Final answer
    x = 2,607.13

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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.