Home / 7,922.58-11,880.36-4,224.12

Finding the Fourth Proportional to 7,922.58, 11,880.36 and 4,224.12

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Solution

The fourth proportional to 7,922.58, 11,880.36 and 4,224.12 is: 6,334.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.58 : 11,880.36 = 4,224.12 : x
  2. Step 2: Convert to fraction form
    7,922.58/11,880.36 = 4,224.12/x
  3. Step 3: Cross multiply
    7,922.58x = 11,880.36 × 4,224.12
  4. Step 4: Simplify right side
    7,922.58x = 50,184,066.28
  5. Step 5: Solve for x
    x = 50,184,066.28/7,922.58
  6. Step 6: Final answer
    x = 6,334.31

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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.