Home / 8,312.68-12,466.32-2,764.54

Finding the Fourth Proportional to 8,312.68, 12,466.32 and 2,764.54

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Solution

The fourth proportional to 8,312.68, 12,466.32 and 2,764.54 is: 4,145.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.68 : 12,466.32 = 2,764.54 : x
  2. Step 2: Convert to fraction form
    8,312.68/12,466.32 = 2,764.54/x
  3. Step 3: Cross multiply
    8,312.68x = 12,466.32 × 2,764.54
  4. Step 4: Simplify right side
    8,312.68x = 34,463,640.29
  5. Step 5: Solve for x
    x = 34,463,640.29/8,312.68
  6. Step 6: Final answer
    x = 4,145.91

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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.