Home / 8,680.69-13,023.24-2,440.77

Finding the Fourth Proportional to 8,680.69, 13,023.24 and 2,440.77

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Solution

The fourth proportional to 8,680.69, 13,023.24 and 2,440.77 is: 3,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.69 : 13,023.24 = 2,440.77 : x
  2. Step 2: Convert to fraction form
    8,680.69/13,023.24 = 2,440.77/x
  3. Step 3: Cross multiply
    8,680.69x = 13,023.24 × 2,440.77
  4. Step 4: Simplify right side
    8,680.69x = 31,786,733.49
  5. Step 5: Solve for x
    x = 31,786,733.49/8,680.69
  6. Step 6: Final answer
    x = 3,661.77

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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.