Home / 4,554.36-6,827.19-1,780.11

Finding the Fourth Proportional to 4,554.36, 6,827.19 and 1,780.11

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Solution

The fourth proportional to 4,554.36, 6,827.19 and 1,780.11 is: 2,668.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,554.36 : 6,827.19 = 1,780.11 : x
  2. Step 2: Convert to fraction form
    4,554.36/6,827.19 = 1,780.11/x
  3. Step 3: Cross multiply
    4,554.36x = 6,827.19 × 1,780.11
  4. Step 4: Simplify right side
    4,554.36x = 12,153,142.52
  5. Step 5: Solve for x
    x = 12,153,142.52/4,554.36
  6. Step 6: Final answer
    x = 2,668.46

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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.