Home / 5,820.50-8,732.28-2,125.83

Finding the Fourth Proportional to 5,820.50, 8,732.28 and 2,125.83

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Solution

The fourth proportional to 5,820.50, 8,732.28 and 2,125.83 is: 3,189.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.50 : 8,732.28 = 2,125.83 : x
  2. Step 2: Convert to fraction form
    5,820.50/8,732.28 = 2,125.83/x
  3. Step 3: Cross multiply
    5,820.50x = 8,732.28 × 2,125.83
  4. Step 4: Simplify right side
    5,820.50x = 18,563,365.25
  5. Step 5: Solve for x
    x = 18,563,365.25/5,820.50
  6. Step 6: Final answer
    x = 3,189.31

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1.5x scale

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.