Home / 5,679.94-8,521.27-1,784.34

Finding the Fourth Proportional to 5,679.94, 8,521.27 and 1,784.34

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Solution

The fourth proportional to 5,679.94, 8,521.27 and 1,784.34 is: 2,676.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.94 : 8,521.27 = 1,784.34 : x
  2. Step 2: Convert to fraction form
    5,679.94/8,521.27 = 1,784.34/x
  3. Step 3: Cross multiply
    5,679.94x = 8,521.27 × 1,784.34
  4. Step 4: Simplify right side
    5,679.94x = 15,204,842.91
  5. Step 5: Solve for x
    x = 15,204,842.91/5,679.94
  6. Step 6: Final answer
    x = 2,676.94

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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.