Home / 8,508-11,741.76-4,782.72

Finding the Fourth Proportional to 8,508, 11,741.76 and 4,782.72

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Solution

The fourth proportional to 8,508, 11,741.76 and 4,782.72 is: 6,600.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508 : 11,741.76 = 4,782.72 : x
  2. Step 2: Convert to fraction form
    8,508/11,741.76 = 4,782.72/x
  3. Step 3: Cross multiply
    8,508x = 11,741.76 × 4,782.72
  4. Step 4: Simplify right side
    8,508x = 56,157,550.39
  5. Step 5: Solve for x
    x = 56,157,550.39/8,508
  6. Step 6: Final answer
    x = 6,600.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.