Home / 8,519.91-12,779.96-2,973.26

Finding the Fourth Proportional to 8,519.91, 12,779.96 and 2,973.26

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Solution

The fourth proportional to 8,519.91, 12,779.96 and 2,973.26 is: 4,459.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.91 : 12,779.96 = 2,973.26 : x
  2. Step 2: Convert to fraction form
    8,519.91/12,779.96 = 2,973.26/x
  3. Step 3: Cross multiply
    8,519.91x = 12,779.96 × 2,973.26
  4. Step 4: Simplify right side
    8,519.91x = 37,998,065.10
  5. Step 5: Solve for x
    x = 37,998,065.10/8,519.91
  6. Step 6: Final answer
    x = 4,459.91

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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.