Home / 8,620.44-11,895.36-4,842.75

Finding the Fourth Proportional to 8,620.44, 11,895.36 and 4,842.75

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Solution

The fourth proportional to 8,620.44, 11,895.36 and 4,842.75 is: 6,682.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620.44 : 11,895.36 = 4,842.75 : x
  2. Step 2: Convert to fraction form
    8,620.44/11,895.36 = 4,842.75/x
  3. Step 3: Cross multiply
    8,620.44x = 11,895.36 × 4,842.75
  4. Step 4: Simplify right side
    8,620.44x = 57,606,254.64
  5. Step 5: Solve for x
    x = 57,606,254.64/8,620.44
  6. Step 6: Final answer
    x = 6,682.52

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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.