Home / 9,190.97-12,683.59-4,999.22

Finding the Fourth Proportional to 9,190.97, 12,683.59 and 4,999.22

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Solution

The fourth proportional to 9,190.97, 12,683.59 and 4,999.22 is: 6,898.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.97 : 12,683.59 = 4,999.22 : x
  2. Step 2: Convert to fraction form
    9,190.97/12,683.59 = 4,999.22/x
  3. Step 3: Cross multiply
    9,190.97x = 12,683.59 × 4,999.22
  4. Step 4: Simplify right side
    9,190.97x = 63,408,028.45
  5. Step 5: Solve for x
    x = 63,408,028.45/9,190.97
  6. Step 6: Final answer
    x = 6,898.95

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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.