Home / 8,485.22-12,727.62-3,291.10

Finding the Fourth Proportional to 8,485.22, 12,727.62 and 3,291.10

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Solution

The fourth proportional to 8,485.22, 12,727.62 and 3,291.10 is: 4,936.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.22 : 12,727.62 = 3,291.10 : x
  2. Step 2: Convert to fraction form
    8,485.22/12,727.62 = 3,291.10/x
  3. Step 3: Cross multiply
    8,485.22x = 12,727.62 × 3,291.10
  4. Step 4: Simplify right side
    8,485.22x = 41,887,870.18
  5. Step 5: Solve for x
    x = 41,887,870.18/8,485.22
  6. Step 6: Final answer
    x = 4,936.57

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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.