Home / 5,564.30-8,339.70-3,219.80

Finding the Fourth Proportional to 5,564.30, 8,339.70 and 3,219.80

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Solution

The fourth proportional to 5,564.30, 8,339.70 and 3,219.80 is: 4,825.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.30 : 8,339.70 = 3,219.80 : x
  2. Step 2: Convert to fraction form
    5,564.30/8,339.70 = 3,219.80/x
  3. Step 3: Cross multiply
    5,564.30x = 8,339.70 × 3,219.80
  4. Step 4: Simplify right side
    5,564.30x = 26,852,166.06
  5. Step 5: Solve for x
    x = 26,852,166.06/5,564.30
  6. Step 6: Final answer
    x = 4,825.79

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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.