Home / 6,189.87-8,540.02-3,500.83

Finding the Fourth Proportional to 6,189.87, 8,540.02 and 3,500.83

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Solution

The fourth proportional to 6,189.87, 8,540.02 and 3,500.83 is: 4,830.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.87 : 8,540.02 = 3,500.83 : x
  2. Step 2: Convert to fraction form
    6,189.87/8,540.02 = 3,500.83/x
  3. Step 3: Cross multiply
    6,189.87x = 8,540.02 × 3,500.83
  4. Step 4: Simplify right side
    6,189.87x = 29,897,158.22
  5. Step 5: Solve for x
    x = 29,897,158.22/6,189.87
  6. Step 6: Final answer
    x = 4,830.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.