Home / 4,801.78-6,627.69-3,127.36

Finding the Fourth Proportional to 4,801.78, 6,627.69 and 3,127.36

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Solution

The fourth proportional to 4,801.78, 6,627.69 and 3,127.36 is: 4,316.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,801.78 : 6,627.69 = 3,127.36 : x
  2. Step 2: Convert to fraction form
    4,801.78/6,627.69 = 3,127.36/x
  3. Step 3: Cross multiply
    4,801.78x = 6,627.69 × 3,127.36
  4. Step 4: Simplify right side
    4,801.78x = 20,727,172.60
  5. Step 5: Solve for x
    x = 20,727,172.60/4,801.78
  6. Step 6: Final answer
    x = 4,316.56

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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.