Home / 5,103.96-7,655.44-1,406.04

Finding the Fourth Proportional to 5,103.96, 7,655.44 and 1,406.04

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Solution

The fourth proportional to 5,103.96, 7,655.44 and 1,406.04 is: 2,108.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.96 : 7,655.44 = 1,406.04 : x
  2. Step 2: Convert to fraction form
    5,103.96/7,655.44 = 1,406.04/x
  3. Step 3: Cross multiply
    5,103.96x = 7,655.44 × 1,406.04
  4. Step 4: Simplify right side
    5,103.96x = 10,763,854.86
  5. Step 5: Solve for x
    x = 10,763,854.86/5,103.96
  6. Step 6: Final answer
    x = 2,108.92

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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.