Home / 8,890.10-13,339.80-5,769.37

Finding the Fourth Proportional to 8,890.10, 13,339.80 and 5,769.37

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Solution

The fourth proportional to 8,890.10, 13,339.80 and 5,769.37 is: 8,657.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.10 : 13,339.80 = 5,769.37 : x
  2. Step 2: Convert to fraction form
    8,890.10/13,339.80 = 5,769.37/x
  3. Step 3: Cross multiply
    8,890.10x = 13,339.80 × 5,769.37
  4. Step 4: Simplify right side
    8,890.10x = 76,962,208.58
  5. Step 5: Solve for x
    x = 76,962,208.58/8,890.10
  6. Step 6: Final answer
    x = 8,657.07

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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.