Home / 4,815.36-7,223.13-1,695.38

Finding the Fourth Proportional to 4,815.36, 7,223.13 and 1,695.38

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Solution

The fourth proportional to 4,815.36, 7,223.13 and 1,695.38 is: 2,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.36 : 7,223.13 = 1,695.38 : x
  2. Step 2: Convert to fraction form
    4,815.36/7,223.13 = 1,695.38/x
  3. Step 3: Cross multiply
    4,815.36x = 7,223.13 × 1,695.38
  4. Step 4: Simplify right side
    4,815.36x = 12,245,914.02
  5. Step 5: Solve for x
    x = 12,245,914.02/4,815.36
  6. Step 6: Final answer
    x = 2,543.09

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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.