Home / 8,619.35-11,894.52-4,790.74

Finding the Fourth Proportional to 8,619.35, 11,894.52 and 4,790.74

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Solution

The fourth proportional to 8,619.35, 11,894.52 and 4,790.74 is: 6,611.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.35 : 11,894.52 = 4,790.74 : x
  2. Step 2: Convert to fraction form
    8,619.35/11,894.52 = 4,790.74/x
  3. Step 3: Cross multiply
    8,619.35x = 11,894.52 × 4,790.74
  4. Step 4: Simplify right side
    8,619.35x = 56,983,523.01
  5. Step 5: Solve for x
    x = 56,983,523.01/8,619.35
  6. Step 6: Final answer
    x = 6,611.11

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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.