Home / 8,333.04-12,500.80-2,784.80

Finding the Fourth Proportional to 8,333.04, 12,500.80 and 2,784.80

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Solution

The fourth proportional to 8,333.04, 12,500.80 and 2,784.80 is: 4,177.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.04 : 12,500.80 = 2,784.80 : x
  2. Step 2: Convert to fraction form
    8,333.04/12,500.80 = 2,784.80/x
  3. Step 3: Cross multiply
    8,333.04x = 12,500.80 × 2,784.80
  4. Step 4: Simplify right side
    8,333.04x = 34,812,227.84
  5. Step 5: Solve for x
    x = 34,812,227.84/8,333.04
  6. Step 6: Final answer
    x = 4,177.61

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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.