Home / 6,441.20-9,661.80-1,824.24

Finding the Fourth Proportional to 6,441.20, 9,661.80 and 1,824.24

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Solution

The fourth proportional to 6,441.20, 9,661.80 and 1,824.24 is: 2,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.20 : 9,661.80 = 1,824.24 : x
  2. Step 2: Convert to fraction form
    6,441.20/9,661.80 = 1,824.24/x
  3. Step 3: Cross multiply
    6,441.20x = 9,661.80 × 1,824.24
  4. Step 4: Simplify right side
    6,441.20x = 17,625,442.03
  5. Step 5: Solve for x
    x = 17,625,442.03/6,441.20
  6. Step 6: Final answer
    x = 2,736.36

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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.