Home / 10,779.36-16,172.97-4,540.93

Finding the Fourth Proportional to 10,779.36, 16,172.97 and 4,540.93

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Solution

The fourth proportional to 10,779.36, 16,172.97 and 4,540.93 is: 6,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.36 : 16,172.97 = 4,540.93 : x
  2. Step 2: Convert to fraction form
    10,779.36/16,172.97 = 4,540.93/x
  3. Step 3: Cross multiply
    10,779.36x = 16,172.97 × 4,540.93
  4. Step 4: Simplify right side
    10,779.36x = 73,440,324.66
  5. Step 5: Solve for x
    x = 73,440,324.66/10,779.36
  6. Step 6: Final answer
    x = 6,813.05

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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.