Home / 6,399.54-8,835.39-4,904.64

Finding the Fourth Proportional to 6,399.54, 8,835.39 and 4,904.64

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Solution

The fourth proportional to 6,399.54, 8,835.39 and 4,904.64 is: 6,771.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.54 : 8,835.39 = 4,904.64 : x
  2. Step 2: Convert to fraction form
    6,399.54/8,835.39 = 4,904.64/x
  3. Step 3: Cross multiply
    6,399.54x = 8,835.39 × 4,904.64
  4. Step 4: Simplify right side
    6,399.54x = 43,334,407.21
  5. Step 5: Solve for x
    x = 43,334,407.21/6,399.54
  6. Step 6: Final answer
    x = 6,771.49

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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.