Home / 8,157.25-11,256.61-4,571.77

Finding the Fourth Proportional to 8,157.25, 11,256.61 and 4,571.77

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Solution

The fourth proportional to 8,157.25, 11,256.61 and 4,571.77 is: 6,308.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.25 : 11,256.61 = 4,571.77 : x
  2. Step 2: Convert to fraction form
    8,157.25/11,256.61 = 4,571.77/x
  3. Step 3: Cross multiply
    8,157.25x = 11,256.61 × 4,571.77
  4. Step 4: Simplify right side
    8,157.25x = 51,462,592.33
  5. Step 5: Solve for x
    x = 51,462,592.33/8,157.25
  6. Step 6: Final answer
    x = 6,308.82

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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.