Home / 4,684.20-7,024.32-1,909

Finding the Fourth Proportional to 4,684.20, 7,024.32 and 1,909

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Solution

The fourth proportional to 4,684.20, 7,024.32 and 1,909 is: 2,862.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684.20 : 7,024.32 = 1,909 : x
  2. Step 2: Convert to fraction form
    4,684.20/7,024.32 = 1,909/x
  3. Step 3: Cross multiply
    4,684.20x = 7,024.32 × 1,909
  4. Step 4: Simplify right side
    4,684.20x = 13,409,426.88
  5. Step 5: Solve for x
    x = 13,409,426.88/4,684.20
  6. Step 6: Final answer
    x = 2,862.69

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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.