Home / 6,443.20-9,664.80-1,826.24

Finding the Fourth Proportional to 6,443.20, 9,664.80 and 1,826.24

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Solution

The fourth proportional to 6,443.20, 9,664.80 and 1,826.24 is: 2,739.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.20 : 9,664.80 = 1,826.24 : x
  2. Step 2: Convert to fraction form
    6,443.20/9,664.80 = 1,826.24/x
  3. Step 3: Cross multiply
    6,443.20x = 9,664.80 × 1,826.24
  4. Step 4: Simplify right side
    6,443.20x = 17,650,244.35
  5. Step 5: Solve for x
    x = 17,650,244.35/6,443.20
  6. Step 6: Final answer
    x = 2,739.36

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Similar ratio
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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.