Home / 7,739.57-11,602.22-2,808.02

Finding the Fourth Proportional to 7,739.57, 11,602.22 and 2,808.02

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Solution

The fourth proportional to 7,739.57, 11,602.22 and 2,808.02 is: 4,209.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.57 : 11,602.22 = 2,808.02 : x
  2. Step 2: Convert to fraction form
    7,739.57/11,602.22 = 2,808.02/x
  3. Step 3: Cross multiply
    7,739.57x = 11,602.22 × 2,808.02
  4. Step 4: Simplify right side
    7,739.57x = 32,579,193.75
  5. Step 5: Solve for x
    x = 32,579,193.75/7,739.57
  6. Step 6: Final answer
    x = 4,209.43

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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.