Home / 4,555.36-6,836.88-1,821.28

Finding the Fourth Proportional to 4,555.36, 6,836.88 and 1,821.28

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Solution

The fourth proportional to 4,555.36, 6,836.88 and 1,821.28 is: 2,733.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,555.36 : 6,836.88 = 1,821.28 : x
  2. Step 2: Convert to fraction form
    4,555.36/6,836.88 = 1,821.28/x
  3. Step 3: Cross multiply
    4,555.36x = 6,836.88 × 1,821.28
  4. Step 4: Simplify right side
    4,555.36x = 12,451,872.81
  5. Step 5: Solve for x
    x = 12,451,872.81/4,555.36
  6. Step 6: Final answer
    x = 2,733.46

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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.