Home / 8,214.72-12,302.35-4,694.05

Finding the Fourth Proportional to 8,214.72, 12,302.35 and 4,694.05

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Solution

The fourth proportional to 8,214.72, 12,302.35 and 4,694.05 is: 7,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.72 : 12,302.35 = 4,694.05 : x
  2. Step 2: Convert to fraction form
    8,214.72/12,302.35 = 4,694.05/x
  3. Step 3: Cross multiply
    8,214.72x = 12,302.35 × 4,694.05
  4. Step 4: Simplify right side
    8,214.72x = 57,747,849.66
  5. Step 5: Solve for x
    x = 57,747,849.66/8,214.72
  6. Step 6: Final answer
    x = 7,029.80

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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.