Home / 8,185.85-12,268.45-3,500.32

Finding the Fourth Proportional to 8,185.85, 12,268.45 and 3,500.32

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Solution

The fourth proportional to 8,185.85, 12,268.45 and 3,500.32 is: 5,246.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.85 : 12,268.45 = 3,500.32 : x
  2. Step 2: Convert to fraction form
    8,185.85/12,268.45 = 3,500.32/x
  3. Step 3: Cross multiply
    8,185.85x = 12,268.45 × 3,500.32
  4. Step 4: Simplify right side
    8,185.85x = 42,943,500.90
  5. Step 5: Solve for x
    x = 42,943,500.90/8,185.85
  6. Step 6: Final answer
    x = 5,246.06

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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.