Home / 8,829.86-13,242.72-3,285.82

Finding the Fourth Proportional to 8,829.86, 13,242.72 and 3,285.82

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Solution

The fourth proportional to 8,829.86, 13,242.72 and 3,285.82 is: 4,927.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,829.86 : 13,242.72 = 3,285.82 : x
  2. Step 2: Convert to fraction form
    8,829.86/13,242.72 = 3,285.82/x
  3. Step 3: Cross multiply
    8,829.86x = 13,242.72 × 3,285.82
  4. Step 4: Simplify right side
    8,829.86x = 43,513,148.62
  5. Step 5: Solve for x
    x = 43,513,148.62/8,829.86
  6. Step 6: Final answer
    x = 4,927.95

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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.