Home / 8,154.02-12,231.64-2,311.08

Finding the Fourth Proportional to 8,154.02, 12,231.64 and 2,311.08

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Solution

The fourth proportional to 8,154.02, 12,231.64 and 2,311.08 is: 3,466.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.02 : 12,231.64 = 2,311.08 : x
  2. Step 2: Convert to fraction form
    8,154.02/12,231.64 = 2,311.08/x
  3. Step 3: Cross multiply
    8,154.02x = 12,231.64 × 2,311.08
  4. Step 4: Simplify right side
    8,154.02x = 28,268,298.57
  5. Step 5: Solve for x
    x = 28,268,298.57/8,154.02
  6. Step 6: Final answer
    x = 3,466.79

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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.