Home / 6,299.78-8,694.06-3,611.45

Finding the Fourth Proportional to 6,299.78, 8,694.06 and 3,611.45

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Solution

The fourth proportional to 6,299.78, 8,694.06 and 3,611.45 is: 4,984.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,299.78 : 8,694.06 = 3,611.45 : x
  2. Step 2: Convert to fraction form
    6,299.78/8,694.06 = 3,611.45/x
  3. Step 3: Cross multiply
    6,299.78x = 8,694.06 × 3,611.45
  4. Step 4: Simplify right side
    6,299.78x = 31,398,152.12
  5. Step 5: Solve for x
    x = 31,398,152.12/6,299.78
  6. Step 6: Final answer
    x = 4,984.01

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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.