Home / 8,717.67-13,075.11-3,785.99

Finding the Fourth Proportional to 8,717.67, 13,075.11 and 3,785.99

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Solution

The fourth proportional to 8,717.67, 13,075.11 and 3,785.99 is: 5,678.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.67 : 13,075.11 = 3,785.99 : x
  2. Step 2: Convert to fraction form
    8,717.67/13,075.11 = 3,785.99/x
  3. Step 3: Cross multiply
    8,717.67x = 13,075.11 × 3,785.99
  4. Step 4: Simplify right side
    8,717.67x = 49,502,170.33
  5. Step 5: Solve for x
    x = 49,502,170.33/8,717.67
  6. Step 6: Final answer
    x = 5,678.37

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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.