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Finding the Fourth Proportional to 8,446.80, 12,670.46 and 2,900.07

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Solution

The fourth proportional to 8,446.80, 12,670.46 and 2,900.07 is: 4,350.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,446.80 : 12,670.46 = 2,900.07 : x
  2. Step 2: Convert to fraction form
    8,446.80/12,670.46 = 2,900.07/x
  3. Step 3: Cross multiply
    8,446.80x = 12,670.46 × 2,900.07
  4. Step 4: Simplify right side
    8,446.80x = 36,745,220.93
  5. Step 5: Solve for x
    x = 36,745,220.93/8,446.80
  6. Step 6: Final answer
    x = 4,350.19

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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.