Home / 4,551.56-6,830.00-1,918.91

Finding the Fourth Proportional to 4,551.56, 6,830.00 and 1,918.91

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Solution

The fourth proportional to 4,551.56, 6,830.00 and 1,918.91 is: 2,879.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,551.56 : 6,830.00 = 1,918.91 : x
  2. Step 2: Convert to fraction form
    4,551.56/6,830.00 = 1,918.91/x
  3. Step 3: Cross multiply
    4,551.56x = 6,830.00 × 1,918.91
  4. Step 4: Simplify right side
    4,551.56x = 13,106,115.15
  5. Step 5: Solve for x
    x = 13,106,115.15/4,551.56
  6. Step 6: Final answer
    x = 2,879.48

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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.