Home / 4,812.90-7,223.40-1,893.30

Finding the Fourth Proportional to 4,812.90, 7,223.40 and 1,893.30

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Solution

The fourth proportional to 4,812.90, 7,223.40 and 1,893.30 is: 2,841.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.90 : 7,223.40 = 1,893.30 : x
  2. Step 2: Convert to fraction form
    4,812.90/7,223.40 = 1,893.30/x
  3. Step 3: Cross multiply
    4,812.90x = 7,223.40 × 1,893.30
  4. Step 4: Simplify right side
    4,812.90x = 13,676,063.22
  5. Step 5: Solve for x
    x = 13,676,063.22/4,812.90
  6. Step 6: Final answer
    x = 2,841.54

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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.