Home / 9,382.90-14,074.38-2,809.12

Finding the Fourth Proportional to 9,382.90, 14,074.38 and 2,809.12

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Solution

The fourth proportional to 9,382.90, 14,074.38 and 2,809.12 is: 4,213.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,382.90 : 14,074.38 = 2,809.12 : x
  2. Step 2: Convert to fraction form
    9,382.90/14,074.38 = 2,809.12/x
  3. Step 3: Cross multiply
    9,382.90x = 14,074.38 × 2,809.12
  4. Step 4: Simplify right side
    9,382.90x = 39,536,622.35
  5. Step 5: Solve for x
    x = 39,536,622.35/9,382.90
  6. Step 6: Final answer
    x = 4,213.69

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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.