Home / 8,981.04-13,477.32-3,786.96

Finding the Fourth Proportional to 8,981.04, 13,477.32 and 3,786.96

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Solution

The fourth proportional to 8,981.04, 13,477.32 and 3,786.96 is: 5,682.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.04 : 13,477.32 = 3,786.96 : x
  2. Step 2: Convert to fraction form
    8,981.04/13,477.32 = 3,786.96/x
  3. Step 3: Cross multiply
    8,981.04x = 13,477.32 × 3,786.96
  4. Step 4: Simplify right side
    8,981.04x = 51,038,071.75
  5. Step 5: Solve for x
    x = 51,038,071.75/8,981.04
  6. Step 6: Final answer
    x = 5,682.87

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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.