Home / 8,228.86-12,346.38-4,899.03

Finding the Fourth Proportional to 8,228.86, 12,346.38 and 4,899.03

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Solution

The fourth proportional to 8,228.86, 12,346.38 and 4,899.03 is: 7,350.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.86 : 12,346.38 = 4,899.03 : x
  2. Step 2: Convert to fraction form
    8,228.86/12,346.38 = 4,899.03/x
  3. Step 3: Cross multiply
    8,228.86x = 12,346.38 × 4,899.03
  4. Step 4: Simplify right side
    8,228.86x = 60,485,239.71
  5. Step 5: Solve for x
    x = 60,485,239.71/8,228.86
  6. Step 6: Final answer
    x = 7,350.38

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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.