Home / 8,250.43-12,376.16-3,320.07

Finding the Fourth Proportional to 8,250.43, 12,376.16 and 3,320.07

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Solution

The fourth proportional to 8,250.43, 12,376.16 and 3,320.07 is: 4,980.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.43 : 12,376.16 = 3,320.07 : x
  2. Step 2: Convert to fraction form
    8,250.43/12,376.16 = 3,320.07/x
  3. Step 3: Cross multiply
    8,250.43x = 12,376.16 × 3,320.07
  4. Step 4: Simplify right side
    8,250.43x = 41,089,717.53
  5. Step 5: Solve for x
    x = 41,089,717.53/8,250.43
  6. Step 6: Final answer
    x = 4,980.31

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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.