Home / 6,199.62-8,555.49-3,405.30

Finding the Fourth Proportional to 6,199.62, 8,555.49 and 3,405.30

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Solution

The fourth proportional to 6,199.62, 8,555.49 and 3,405.30 is: 4,699.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,199.62 : 8,555.49 = 3,405.30 : x
  2. Step 2: Convert to fraction form
    6,199.62/8,555.49 = 3,405.30/x
  3. Step 3: Cross multiply
    6,199.62x = 8,555.49 × 3,405.30
  4. Step 4: Simplify right side
    6,199.62x = 29,134,010.10
  5. Step 5: Solve for x
    x = 29,134,010.10/6,199.62
  6. Step 6: Final answer
    x = 4,699.32

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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.