Home / 6,399.07-8,830.58-3,566.43

Finding the Fourth Proportional to 6,399.07, 8,830.58 and 3,566.43

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Solution

The fourth proportional to 6,399.07, 8,830.58 and 3,566.43 is: 4,921.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.07 : 8,830.58 = 3,566.43 : x
  2. Step 2: Convert to fraction form
    6,399.07/8,830.58 = 3,566.43/x
  3. Step 3: Cross multiply
    6,399.07x = 8,830.58 × 3,566.43
  4. Step 4: Simplify right side
    6,399.07x = 31,493,583.44
  5. Step 5: Solve for x
    x = 31,493,583.44/6,399.07
  6. Step 6: Final answer
    x = 4,921.59

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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.