Home / 8,259.25-12,389.25-2,416.36

Finding the Fourth Proportional to 8,259.25, 12,389.25 and 2,416.36

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Solution

The fourth proportional to 8,259.25, 12,389.25 and 2,416.36 is: 3,624.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.25 : 12,389.25 = 2,416.36 : x
  2. Step 2: Convert to fraction form
    8,259.25/12,389.25 = 2,416.36/x
  3. Step 3: Cross multiply
    8,259.25x = 12,389.25 × 2,416.36
  4. Step 4: Simplify right side
    8,259.25x = 29,936,888.13
  5. Step 5: Solve for x
    x = 29,936,888.13/8,259.25
  6. Step 6: Final answer
    x = 3,624.65

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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.