Home / 8,260.95-12,379.77-6,403.37

Finding the Fourth Proportional to 8,260.95, 12,379.77 and 6,403.37

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Solution

The fourth proportional to 8,260.95, 12,379.77 and 6,403.37 is: 9,596.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.95 : 12,379.77 = 6,403.37 : x
  2. Step 2: Convert to fraction form
    8,260.95/12,379.77 = 6,403.37/x
  3. Step 3: Cross multiply
    8,260.95x = 12,379.77 × 6,403.37
  4. Step 4: Simplify right side
    8,260.95x = 79,272,185.93
  5. Step 5: Solve for x
    x = 79,272,185.93/8,260.95
  6. Step 6: Final answer
    x = 9,596.01

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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.