Home / 8,114.55-12,171.02-2,271.21

Finding the Fourth Proportional to 8,114.55, 12,171.02 and 2,271.21

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Solution

The fourth proportional to 8,114.55, 12,171.02 and 2,271.21 is: 3,406.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.55 : 12,171.02 = 2,271.21 : x
  2. Step 2: Convert to fraction form
    8,114.55/12,171.02 = 2,271.21/x
  3. Step 3: Cross multiply
    8,114.55x = 12,171.02 × 2,271.21
  4. Step 4: Simplify right side
    8,114.55x = 27,642,930.98
  5. Step 5: Solve for x
    x = 27,642,930.98/8,114.55
  6. Step 6: Final answer
    x = 3,406.59

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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.