Home / 8,731.99-13,095.69-3,800.49

Finding the Fourth Proportional to 8,731.99, 13,095.69 and 3,800.49

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Solution

The fourth proportional to 8,731.99, 13,095.69 and 3,800.49 is: 5,699.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.99 : 13,095.69 = 3,800.49 : x
  2. Step 2: Convert to fraction form
    8,731.99/13,095.69 = 3,800.49/x
  3. Step 3: Cross multiply
    8,731.99x = 13,095.69 × 3,800.49
  4. Step 4: Simplify right side
    8,731.99x = 49,770,038.89
  5. Step 5: Solve for x
    x = 49,770,038.89/8,731.99
  6. Step 6: Final answer
    x = 5,699.74

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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.