Home / 5,829.63-8,742.30-2,130.75

Finding the Fourth Proportional to 5,829.63, 8,742.30 and 2,130.75

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Solution

The fourth proportional to 5,829.63, 8,742.30 and 2,130.75 is: 3,195.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,829.63 : 8,742.30 = 2,130.75 : x
  2. Step 2: Convert to fraction form
    5,829.63/8,742.30 = 2,130.75/x
  3. Step 3: Cross multiply
    5,829.63x = 8,742.30 × 2,130.75
  4. Step 4: Simplify right side
    5,829.63x = 18,627,655.73
  5. Step 5: Solve for x
    x = 18,627,655.73/5,829.63
  6. Step 6: Final answer
    x = 3,195.34

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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.