Home / 4,815.24-7,222.05-1,894.38

Finding the Fourth Proportional to 4,815.24, 7,222.05 and 1,894.38

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Solution

The fourth proportional to 4,815.24, 7,222.05 and 1,894.38 is: 2,841.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.24 : 7,222.05 = 1,894.38 : x
  2. Step 2: Convert to fraction form
    4,815.24/7,222.05 = 1,894.38/x
  3. Step 3: Cross multiply
    4,815.24x = 7,222.05 × 1,894.38
  4. Step 4: Simplify right side
    4,815.24x = 13,681,307.08
  5. Step 5: Solve for x
    x = 13,681,307.08/4,815.24
  6. Step 6: Final answer
    x = 2,841.25

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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.