Home / 7,150.04-10,720.80-2,763.86

Finding the Fourth Proportional to 7,150.04, 10,720.80 and 2,763.86

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Solution

The fourth proportional to 7,150.04, 10,720.80 and 2,763.86 is: 4,144.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.04 : 10,720.80 = 2,763.86 : x
  2. Step 2: Convert to fraction form
    7,150.04/10,720.80 = 2,763.86/x
  3. Step 3: Cross multiply
    7,150.04x = 10,720.80 × 2,763.86
  4. Step 4: Simplify right side
    7,150.04x = 29,630,790.29
  5. Step 5: Solve for x
    x = 29,630,790.29/7,150.04
  6. Step 6: Final answer
    x = 4,144.14

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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.