Home / 9,022.22-13,533.48-3,178.90

Finding the Fourth Proportional to 9,022.22, 13,533.48 and 3,178.90

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Solution

The fourth proportional to 9,022.22, 13,533.48 and 3,178.90 is: 4,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,022.22 : 13,533.48 = 3,178.90 : x
  2. Step 2: Convert to fraction form
    9,022.22/13,533.48 = 3,178.90/x
  3. Step 3: Cross multiply
    9,022.22x = 13,533.48 × 3,178.90
  4. Step 4: Simplify right side
    9,022.22x = 43,021,579.57
  5. Step 5: Solve for x
    x = 43,021,579.57/9,022.22
  6. Step 6: Final answer
    x = 4,768.40

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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.