Home / 5,007.78-6,911.25-3,611.34

Finding the Fourth Proportional to 5,007.78, 6,911.25 and 3,611.34

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Solution

The fourth proportional to 5,007.78, 6,911.25 and 3,611.34 is: 4,984.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.78 : 6,911.25 = 3,611.34 : x
  2. Step 2: Convert to fraction form
    5,007.78/6,911.25 = 3,611.34/x
  3. Step 3: Cross multiply
    5,007.78x = 6,911.25 × 3,611.34
  4. Step 4: Simplify right side
    5,007.78x = 24,958,873.58
  5. Step 5: Solve for x
    x = 24,958,873.58/5,007.78
  6. Step 6: Final answer
    x = 4,984.02

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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.