Home / 4,446.90-6,668.46-1,981.44

Finding the Fourth Proportional to 4,446.90, 6,668.46 and 1,981.44

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Solution

The fourth proportional to 4,446.90, 6,668.46 and 1,981.44 is: 2,971.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,446.90 : 6,668.46 = 1,981.44 : x
  2. Step 2: Convert to fraction form
    4,446.90/6,668.46 = 1,981.44/x
  3. Step 3: Cross multiply
    4,446.90x = 6,668.46 × 1,981.44
  4. Step 4: Simplify right side
    4,446.90x = 13,213,153.38
  5. Step 5: Solve for x
    x = 13,213,153.38/4,446.90
  6. Step 6: Final answer
    x = 2,971.32

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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.