Home / 8,330.45-12,493.85-2,784.58

Finding the Fourth Proportional to 8,330.45, 12,493.85 and 2,784.58

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Solution

The fourth proportional to 8,330.45, 12,493.85 and 2,784.58 is: 4,176.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.45 : 12,493.85 = 2,784.58 : x
  2. Step 2: Convert to fraction form
    8,330.45/12,493.85 = 2,784.58/x
  3. Step 3: Cross multiply
    8,330.45x = 12,493.85 × 2,784.58
  4. Step 4: Simplify right side
    8,330.45x = 34,790,079.68
  5. Step 5: Solve for x
    x = 34,790,079.68/8,330.45
  6. Step 6: Final answer
    x = 4,176.26

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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.