Home / 9,383.58-14,077.80-2,809.62

Finding the Fourth Proportional to 9,383.58, 14,077.80 and 2,809.62

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Solution

The fourth proportional to 9,383.58, 14,077.80 and 2,809.62 is: 4,215.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,383.58 : 14,077.80 = 2,809.62 : x
  2. Step 2: Convert to fraction form
    9,383.58/14,077.80 = 2,809.62/x
  3. Step 3: Cross multiply
    9,383.58x = 14,077.80 × 2,809.62
  4. Step 4: Simplify right side
    9,383.58x = 39,553,268.44
  5. Step 5: Solve for x
    x = 39,553,268.44/9,383.58
  6. Step 6: Final answer
    x = 4,215.16

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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.