Home / 8,865.77-13,299.89-2,626.34

Finding the Fourth Proportional to 8,865.77, 13,299.89 and 2,626.34

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Solution

The fourth proportional to 8,865.77, 13,299.89 and 2,626.34 is: 3,939.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.77 : 13,299.89 = 2,626.34 : x
  2. Step 2: Convert to fraction form
    8,865.77/13,299.89 = 2,626.34/x
  3. Step 3: Cross multiply
    8,865.77x = 13,299.89 × 2,626.34
  4. Step 4: Simplify right side
    8,865.77x = 34,929,953.47
  5. Step 5: Solve for x
    x = 34,929,953.47/8,865.77
  6. Step 6: Final answer
    x = 3,939.87

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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.