Home / 9,828.96-14,742.48-2,809.44

Finding the Fourth Proportional to 9,828.96, 14,742.48 and 2,809.44

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Solution

The fourth proportional to 9,828.96, 14,742.48 and 2,809.44 is: 4,213.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,828.96 : 14,742.48 = 2,809.44 : x
  2. Step 2: Convert to fraction form
    9,828.96/14,742.48 = 2,809.44/x
  3. Step 3: Cross multiply
    9,828.96x = 14,742.48 × 2,809.44
  4. Step 4: Simplify right side
    9,828.96x = 41,418,113.01
  5. Step 5: Solve for x
    x = 41,418,113.01/9,828.96
  6. Step 6: Final answer
    x = 4,213.89

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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.