Home / 8,146.08-12,211.68-2,950.80

Finding the Fourth Proportional to 8,146.08, 12,211.68 and 2,950.80

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Solution

The fourth proportional to 8,146.08, 12,211.68 and 2,950.80 is: 4,423.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.08 : 12,211.68 = 2,950.80 : x
  2. Step 2: Convert to fraction form
    8,146.08/12,211.68 = 2,950.80/x
  3. Step 3: Cross multiply
    8,146.08x = 12,211.68 × 2,950.80
  4. Step 4: Simplify right side
    8,146.08x = 36,034,225.34
  5. Step 5: Solve for x
    x = 36,034,225.34/8,146.08
  6. Step 6: Final answer
    x = 4,423.50

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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.