Home / 9,021.44-13,533.62-2,781.45

Finding the Fourth Proportional to 9,021.44, 13,533.62 and 2,781.45

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Solution

The fourth proportional to 9,021.44, 13,533.62 and 2,781.45 is: 4,172.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.44 : 13,533.62 = 2,781.45 : x
  2. Step 2: Convert to fraction form
    9,021.44/13,533.62 = 2,781.45/x
  3. Step 3: Cross multiply
    9,021.44x = 13,533.62 × 2,781.45
  4. Step 4: Simplify right side
    9,021.44x = 37,643,073.44
  5. Step 5: Solve for x
    x = 37,643,073.44/9,021.44
  6. Step 6: Final answer
    x = 4,172.62

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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.