Home / 5,623.18-8,429.10-1,922.88

Finding the Fourth Proportional to 5,623.18, 8,429.10 and 1,922.88

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Solution

The fourth proportional to 5,623.18, 8,429.10 and 1,922.88 is: 2,882.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.18 : 8,429.10 = 1,922.88 : x
  2. Step 2: Convert to fraction form
    5,623.18/8,429.10 = 1,922.88/x
  3. Step 3: Cross multiply
    5,623.18x = 8,429.10 × 1,922.88
  4. Step 4: Simplify right side
    5,623.18x = 16,208,147.81
  5. Step 5: Solve for x
    x = 16,208,147.81/5,623.18
  6. Step 6: Final answer
    x = 2,882.38

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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.