Home / 4,698.93-6,469.76-3,989.37

Finding the Fourth Proportional to 4,698.93, 6,469.76 and 3,989.37

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Solution

The fourth proportional to 4,698.93, 6,469.76 and 3,989.37 is: 5,492.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,698.93 : 6,469.76 = 3,989.37 : x
  2. Step 2: Convert to fraction form
    4,698.93/6,469.76 = 3,989.37/x
  3. Step 3: Cross multiply
    4,698.93x = 6,469.76 × 3,989.37
  4. Step 4: Simplify right side
    4,698.93x = 25,810,246.50
  5. Step 5: Solve for x
    x = 25,810,246.50/4,698.93
  6. Step 6: Final answer
    x = 5,492.79

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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.