Home / 8,320.68-12,484.26-3,941.82

Finding the Fourth Proportional to 8,320.68, 12,484.26 and 3,941.82

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Solution

The fourth proportional to 8,320.68, 12,484.26 and 3,941.82 is: 5,914.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.68 : 12,484.26 = 3,941.82 : x
  2. Step 2: Convert to fraction form
    8,320.68/12,484.26 = 3,941.82/x
  3. Step 3: Cross multiply
    8,320.68x = 12,484.26 × 3,941.82
  4. Step 4: Simplify right side
    8,320.68x = 49,210,705.75
  5. Step 5: Solve for x
    x = 49,210,705.75/8,320.68
  6. Step 6: Final answer
    x = 5,914.26

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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.