Home / 8,579.98-12,873.01-3,031.89

Finding the Fourth Proportional to 8,579.98, 12,873.01 and 3,031.89

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Solution

The fourth proportional to 8,579.98, 12,873.01 and 3,031.89 is: 4,548.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579.98 : 12,873.01 = 3,031.89 : x
  2. Step 2: Convert to fraction form
    8,579.98/12,873.01 = 3,031.89/x
  3. Step 3: Cross multiply
    8,579.98x = 12,873.01 × 3,031.89
  4. Step 4: Simplify right side
    8,579.98x = 39,029,550.29
  5. Step 5: Solve for x
    x = 39,029,550.29/8,579.98
  6. Step 6: Final answer
    x = 4,548.91

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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.