Home / 5,001.78-6,902.36-2,763.60

Finding the Fourth Proportional to 5,001.78, 6,902.36 and 2,763.60

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Solution

The fourth proportional to 5,001.78, 6,902.36 and 2,763.60 is: 3,813.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,001.78 : 6,902.36 = 2,763.60 : x
  2. Step 2: Convert to fraction form
    5,001.78/6,902.36 = 2,763.60/x
  3. Step 3: Cross multiply
    5,001.78x = 6,902.36 × 2,763.60
  4. Step 4: Simplify right side
    5,001.78x = 19,075,348.28
  5. Step 5: Solve for x
    x = 19,075,348.28/5,001.78
  6. Step 6: Final answer
    x = 3,813.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.