Home / 6,518.94-9,779.76-2,136.05

Finding the Fourth Proportional to 6,518.94, 9,779.76 and 2,136.05

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Solution

The fourth proportional to 6,518.94, 9,779.76 and 2,136.05 is: 3,204.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.94 : 9,779.76 = 2,136.05 : x
  2. Step 2: Convert to fraction form
    6,518.94/9,779.76 = 2,136.05/x
  3. Step 3: Cross multiply
    6,518.94x = 9,779.76 × 2,136.05
  4. Step 4: Simplify right side
    6,518.94x = 20,890,056.35
  5. Step 5: Solve for x
    x = 20,890,056.35/6,518.94
  6. Step 6: Final answer
    x = 3,204.52

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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.