Home / 9,022.32-13,530.96-2,782.80

Finding the Fourth Proportional to 9,022.32, 13,530.96 and 2,782.80

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Solution

The fourth proportional to 9,022.32, 13,530.96 and 2,782.80 is: 4,173.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,022.32 : 13,530.96 = 2,782.80 : x
  2. Step 2: Convert to fraction form
    9,022.32/13,530.96 = 2,782.80/x
  3. Step 3: Cross multiply
    9,022.32x = 13,530.96 × 2,782.80
  4. Step 4: Simplify right side
    9,022.32x = 37,653,955.49
  5. Step 5: Solve for x
    x = 37,653,955.49/9,022.32
  6. Step 6: Final answer
    x = 4,173.42

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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.