Home / 8,779.24-13,165.36-4,159

Finding the Fourth Proportional to 8,779.24, 13,165.36 and 4,159

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Solution

The fourth proportional to 8,779.24, 13,165.36 and 4,159 is: 6,236.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.24 : 13,165.36 = 4,159 : x
  2. Step 2: Convert to fraction form
    8,779.24/13,165.36 = 4,159/x
  3. Step 3: Cross multiply
    8,779.24x = 13,165.36 × 4,159
  4. Step 4: Simplify right side
    8,779.24x = 54,754,732.24
  5. Step 5: Solve for x
    x = 54,754,732.24/8,779.24
  6. Step 6: Final answer
    x = 6,236.84

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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.