Home / 8,312.42-12,463.47-2,764.33

Finding the Fourth Proportional to 8,312.42, 12,463.47 and 2,764.33

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Solution

The fourth proportional to 8,312.42, 12,463.47 and 2,764.33 is: 4,144.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.42 : 12,463.47 = 2,764.33 : x
  2. Step 2: Convert to fraction form
    8,312.42/12,463.47 = 2,764.33/x
  3. Step 3: Cross multiply
    8,312.42x = 12,463.47 × 2,764.33
  4. Step 4: Simplify right side
    8,312.42x = 34,453,112.87
  5. Step 5: Solve for x
    x = 34,453,112.87/8,312.42
  6. Step 6: Final answer
    x = 4,144.77

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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.