Home / 8,068.55-12,103.09-2,225.21

Finding the Fourth Proportional to 8,068.55, 12,103.09 and 2,225.21

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Solution

The fourth proportional to 8,068.55, 12,103.09 and 2,225.21 is: 3,337.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.55 : 12,103.09 = 2,225.21 : x
  2. Step 2: Convert to fraction form
    8,068.55/12,103.09 = 2,225.21/x
  3. Step 3: Cross multiply
    8,068.55x = 12,103.09 × 2,225.21
  4. Step 4: Simplify right side
    8,068.55x = 26,931,850.82
  5. Step 5: Solve for x
    x = 26,931,850.82/8,068.55
  6. Step 6: Final answer
    x = 3,337.88

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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.