Home / 8,256.21-11,391.37-4,899.76

Finding the Fourth Proportional to 8,256.21, 11,391.37 and 4,899.76

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Solution

The fourth proportional to 8,256.21, 11,391.37 and 4,899.76 is: 6,760.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.21 : 11,391.37 = 4,899.76 : x
  2. Step 2: Convert to fraction form
    8,256.21/11,391.37 = 4,899.76/x
  3. Step 3: Cross multiply
    8,256.21x = 11,391.37 × 4,899.76
  4. Step 4: Simplify right side
    8,256.21x = 55,814,979.07
  5. Step 5: Solve for x
    x = 55,814,979.07/8,256.21
  6. Step 6: Final answer
    x = 6,760.36

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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.