Home / 8,519.42-12,779.50-2,973.32

Finding the Fourth Proportional to 8,519.42, 12,779.50 and 2,973.32

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Solution

The fourth proportional to 8,519.42, 12,779.50 and 2,973.32 is: 4,460.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.42 : 12,779.50 = 2,973.32 : x
  2. Step 2: Convert to fraction form
    8,519.42/12,779.50 = 2,973.32/x
  3. Step 3: Cross multiply
    8,519.42x = 12,779.50 × 2,973.32
  4. Step 4: Simplify right side
    8,519.42x = 37,997,542.94
  5. Step 5: Solve for x
    x = 37,997,542.94/8,519.42
  6. Step 6: Final answer
    x = 4,460.11

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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.