Home / 8,635.74-11,917.59-4,909.98

Finding the Fourth Proportional to 8,635.74, 11,917.59 and 4,909.98

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Solution

The fourth proportional to 8,635.74, 11,917.59 and 4,909.98 is: 6,775.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.74 : 11,917.59 = 4,909.98 : x
  2. Step 2: Convert to fraction form
    8,635.74/11,917.59 = 4,909.98/x
  3. Step 3: Cross multiply
    8,635.74x = 11,917.59 × 4,909.98
  4. Step 4: Simplify right side
    8,635.74x = 58,515,128.55
  5. Step 5: Solve for x
    x = 58,515,128.55/8,635.74
  6. Step 6: Final answer
    x = 6,775.93

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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.