Home / 4,446.26-6,665.13-1,981.40

Finding the Fourth Proportional to 4,446.26, 6,665.13 and 1,981.40

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Solution

The fourth proportional to 4,446.26, 6,665.13 and 1,981.40 is: 2,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,446.26 : 6,665.13 = 1,981.40 : x
  2. Step 2: Convert to fraction form
    4,446.26/6,665.13 = 1,981.40/x
  3. Step 3: Cross multiply
    4,446.26x = 6,665.13 × 1,981.40
  4. Step 4: Simplify right side
    4,446.26x = 13,206,288.58
  5. Step 5: Solve for x
    x = 13,206,288.58/4,446.26
  6. Step 6: Final answer
    x = 2,970.20

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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.