Home / 5,987-8,979.82-1,604.16

Finding the Fourth Proportional to 5,987, 8,979.82 and 1,604.16

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Solution

The fourth proportional to 5,987, 8,979.82 and 1,604.16 is: 2,406.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987 : 8,979.82 = 1,604.16 : x
  2. Step 2: Convert to fraction form
    5,987/8,979.82 = 1,604.16/x
  3. Step 3: Cross multiply
    5,987x = 8,979.82 × 1,604.16
  4. Step 4: Simplify right side
    5,987x = 14,405,068.05
  5. Step 5: Solve for x
    x = 14,405,068.05/5,987
  6. Step 6: Final answer
    x = 2,406.06

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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.