Home / 8,179.22-11,287.60-4,642.58

Finding the Fourth Proportional to 8,179.22, 11,287.60 and 4,642.58

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Solution

The fourth proportional to 8,179.22, 11,287.60 and 4,642.58 is: 6,406.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.22 : 11,287.60 = 4,642.58 : x
  2. Step 2: Convert to fraction form
    8,179.22/11,287.60 = 4,642.58/x
  3. Step 3: Cross multiply
    8,179.22x = 11,287.60 × 4,642.58
  4. Step 4: Simplify right side
    8,179.22x = 52,403,586.01
  5. Step 5: Solve for x
    x = 52,403,586.01/8,179.22
  6. Step 6: Final answer
    x = 6,406.92

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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.