Home / 8,619.41-11,894.76-4,842.68

Finding the Fourth Proportional to 8,619.41, 11,894.76 and 4,842.68

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Solution

The fourth proportional to 8,619.41, 11,894.76 and 4,842.68 is: 6,682.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.41 : 11,894.76 = 4,842.68 : x
  2. Step 2: Convert to fraction form
    8,619.41/11,894.76 = 4,842.68/x
  3. Step 3: Cross multiply
    8,619.41x = 11,894.76 × 4,842.68
  4. Step 4: Simplify right side
    8,619.41x = 57,602,456.88
  5. Step 5: Solve for x
    x = 57,602,456.88/8,619.41
  6. Step 6: Final answer
    x = 6,682.88

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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.