Home / 5,872.21-8,808.33-1,979.35

Finding the Fourth Proportional to 5,872.21, 8,808.33 and 1,979.35

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Solution

The fourth proportional to 5,872.21, 8,808.33 and 1,979.35 is: 2,969.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.21 : 8,808.33 = 1,979.35 : x
  2. Step 2: Convert to fraction form
    5,872.21/8,808.33 = 1,979.35/x
  3. Step 3: Cross multiply
    5,872.21x = 8,808.33 × 1,979.35
  4. Step 4: Simplify right side
    5,872.21x = 17,434,767.99
  5. Step 5: Solve for x
    x = 17,434,767.99/5,872.21
  6. Step 6: Final answer
    x = 2,969.03

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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.