Home / 9,918.35-14,879.95-4,579.03

Finding the Fourth Proportional to 9,918.35, 14,879.95 and 4,579.03

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Solution

The fourth proportional to 9,918.35, 14,879.95 and 4,579.03 is: 6,869.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918.35 : 14,879.95 = 4,579.03 : x
  2. Step 2: Convert to fraction form
    9,918.35/14,879.95 = 4,579.03/x
  3. Step 3: Cross multiply
    9,918.35x = 14,879.95 × 4,579.03
  4. Step 4: Simplify right side
    9,918.35x = 68,135,770.36
  5. Step 5: Solve for x
    x = 68,135,770.36/9,918.35
  6. Step 6: Final answer
    x = 6,869.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.