Home / 8,926.92-13,386.96-3,081.96

Finding the Fourth Proportional to 8,926.92, 13,386.96 and 3,081.96

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Solution

The fourth proportional to 8,926.92, 13,386.96 and 3,081.96 is: 4,621.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.92 : 13,386.96 = 3,081.96 : x
  2. Step 2: Convert to fraction form
    8,926.92/13,386.96 = 3,081.96/x
  3. Step 3: Cross multiply
    8,926.92x = 13,386.96 × 3,081.96
  4. Step 4: Simplify right side
    8,926.92x = 41,258,075.24
  5. Step 5: Solve for x
    x = 41,258,075.24/8,926.92
  6. Step 6: Final answer
    x = 4,621.76

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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.