Home / 10,779.04-16,166.72-2,986.03

Finding the Fourth Proportional to 10,779.04, 16,166.72 and 2,986.03

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Solution

The fourth proportional to 10,779.04, 16,166.72 and 2,986.03 is: 4,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.04 : 16,166.72 = 2,986.03 : x
  2. Step 2: Convert to fraction form
    10,779.04/16,166.72 = 2,986.03/x
  3. Step 3: Cross multiply
    10,779.04x = 16,166.72 × 2,986.03
  4. Step 4: Simplify right side
    10,779.04x = 48,274,338.60
  5. Step 5: Solve for x
    x = 48,274,338.60/10,779.04
  6. Step 6: Final answer
    x = 4,478.54

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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.