Home / 8,427.07-11,629.33-4,650.27

Finding the Fourth Proportional to 8,427.07, 11,629.33 and 4,650.27

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Solution

The fourth proportional to 8,427.07, 11,629.33 and 4,650.27 is: 6,417.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.07 : 11,629.33 = 4,650.27 : x
  2. Step 2: Convert to fraction form
    8,427.07/11,629.33 = 4,650.27/x
  3. Step 3: Cross multiply
    8,427.07x = 11,629.33 × 4,650.27
  4. Step 4: Simplify right side
    8,427.07x = 54,079,524.42
  5. Step 5: Solve for x
    x = 54,079,524.42/8,427.07
  6. Step 6: Final answer
    x = 6,417.36

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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.