Home / 7,784.37-11,677.28-3,103.24

Finding the Fourth Proportional to 7,784.37, 11,677.28 and 3,103.24

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Solution

The fourth proportional to 7,784.37, 11,677.28 and 3,103.24 is: 4,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.37 : 11,677.28 = 3,103.24 : x
  2. Step 2: Convert to fraction form
    7,784.37/11,677.28 = 3,103.24/x
  3. Step 3: Cross multiply
    7,784.37x = 11,677.28 × 3,103.24
  4. Step 4: Simplify right side
    7,784.37x = 36,237,402.39
  5. Step 5: Solve for x
    x = 36,237,402.39/7,784.37
  6. Step 6: Final answer
    x = 4,655.15

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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.