Home / 7,918.08-11,873.61-4,219.62

Finding the Fourth Proportional to 7,918.08, 11,873.61 and 4,219.62

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Solution

The fourth proportional to 7,918.08, 11,873.61 and 4,219.62 is: 6,327.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.08 : 11,873.61 = 4,219.62 : x
  2. Step 2: Convert to fraction form
    7,918.08/11,873.61 = 4,219.62/x
  3. Step 3: Cross multiply
    7,918.08x = 11,873.61 × 4,219.62
  4. Step 4: Simplify right side
    7,918.08x = 50,102,122.23
  5. Step 5: Solve for x
    x = 50,102,122.23/7,918.08
  6. Step 6: Final answer
    x = 6,327.56

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1.5x scale

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.