Home / 8,553-12,829.86-2,709.48

Finding the Fourth Proportional to 8,553, 12,829.86 and 2,709.48

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Solution

The fourth proportional to 8,553, 12,829.86 and 2,709.48 is: 4,064.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553 : 12,829.86 = 2,709.48 : x
  2. Step 2: Convert to fraction form
    8,553/12,829.86 = 2,709.48/x
  3. Step 3: Cross multiply
    8,553x = 12,829.86 × 2,709.48
  4. Step 4: Simplify right side
    8,553x = 34,762,249.07
  5. Step 5: Solve for x
    x = 34,762,249.07/8,553
  6. Step 6: Final answer
    x = 4,064.33

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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.