Home / 5,823.36-8,729.80-2,122.96

Finding the Fourth Proportional to 5,823.36, 8,729.80 and 2,122.96

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Solution

The fourth proportional to 5,823.36, 8,729.80 and 2,122.96 is: 3,182.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,823.36 : 8,729.80 = 2,122.96 : x
  2. Step 2: Convert to fraction form
    5,823.36/8,729.80 = 2,122.96/x
  3. Step 3: Cross multiply
    5,823.36x = 8,729.80 × 2,122.96
  4. Step 4: Simplify right side
    5,823.36x = 18,533,016.21
  5. Step 5: Solve for x
    x = 18,533,016.21/5,823.36
  6. Step 6: Final answer
    x = 3,182.53

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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.