Home / 8,636.74-11,918.97-4,910.98

Finding the Fourth Proportional to 8,636.74, 11,918.97 and 4,910.98

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Solution

The fourth proportional to 8,636.74, 11,918.97 and 4,910.98 is: 6,777.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636.74 : 11,918.97 = 4,910.98 : x
  2. Step 2: Convert to fraction form
    8,636.74/11,918.97 = 4,910.98/x
  3. Step 3: Cross multiply
    8,636.74x = 11,918.97 × 4,910.98
  4. Step 4: Simplify right side
    8,636.74x = 58,533,823.29
  5. Step 5: Solve for x
    x = 58,533,823.29/8,636.74
  6. Step 6: Final answer
    x = 6,777.31

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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.