Home / 9,021.98-13,535.01-3,178.64

Finding the Fourth Proportional to 9,021.98, 13,535.01 and 3,178.64

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Solution

The fourth proportional to 9,021.98, 13,535.01 and 3,178.64 is: 4,768.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.98 : 13,535.01 = 3,178.64 : x
  2. Step 2: Convert to fraction form
    9,021.98/13,535.01 = 3,178.64/x
  3. Step 3: Cross multiply
    9,021.98x = 13,535.01 × 3,178.64
  4. Step 4: Simplify right side
    9,021.98x = 43,022,924.19
  5. Step 5: Solve for x
    x = 43,022,924.19/9,021.98
  6. Step 6: Final answer
    x = 4,768.68

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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.