Home / 8,427.09-11,629.38-4,650.26

Finding the Fourth Proportional to 8,427.09, 11,629.38 and 4,650.26

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Solution

The fourth proportional to 8,427.09, 11,629.38 and 4,650.26 is: 6,417.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.09 : 11,629.38 = 4,650.26 : x
  2. Step 2: Convert to fraction form
    8,427.09/11,629.38 = 4,650.26/x
  3. Step 3: Cross multiply
    8,427.09x = 11,629.38 × 4,650.26
  4. Step 4: Simplify right side
    8,427.09x = 54,079,611.57
  5. Step 5: Solve for x
    x = 54,079,611.57/8,427.09
  6. Step 6: Final answer
    x = 6,417.35

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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.