Home / 6,396-8,826.48-3,601.44

Finding the Fourth Proportional to 6,396, 8,826.48 and 3,601.44

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Solution

The fourth proportional to 6,396, 8,826.48 and 3,601.44 is: 4,969.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396 : 8,826.48 = 3,601.44 : x
  2. Step 2: Convert to fraction form
    6,396/8,826.48 = 3,601.44/x
  3. Step 3: Cross multiply
    6,396x = 8,826.48 × 3,601.44
  4. Step 4: Simplify right side
    6,396x = 31,788,038.13
  5. Step 5: Solve for x
    x = 31,788,038.13/6,396
  6. Step 6: Final answer
    x = 4,969.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.