Home / 8,730.48-13,093.80-2,805.79

Finding the Fourth Proportional to 8,730.48, 13,093.80 and 2,805.79

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Solution

The fourth proportional to 8,730.48, 13,093.80 and 2,805.79 is: 4,208.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.48 : 13,093.80 = 2,805.79 : x
  2. Step 2: Convert to fraction form
    8,730.48/13,093.80 = 2,805.79/x
  3. Step 3: Cross multiply
    8,730.48x = 13,093.80 × 2,805.79
  4. Step 4: Simplify right side
    8,730.48x = 36,738,450.18
  5. Step 5: Solve for x
    x = 36,738,450.18/8,730.48
  6. Step 6: Final answer
    x = 4,208.07

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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.