Home / 6,448.06-9,672.09-2,749.60

Finding the Fourth Proportional to 6,448.06, 9,672.09 and 2,749.60

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Solution

The fourth proportional to 6,448.06, 9,672.09 and 2,749.60 is: 4,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448.06 : 9,672.09 = 2,749.60 : x
  2. Step 2: Convert to fraction form
    6,448.06/9,672.09 = 2,749.60/x
  3. Step 3: Cross multiply
    6,448.06x = 9,672.09 × 2,749.60
  4. Step 4: Simplify right side
    6,448.06x = 26,594,378.66
  5. Step 5: Solve for x
    x = 26,594,378.66/6,448.06
  6. Step 6: Final answer
    x = 4,124.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.