Home / 7,828.65-11,742.37-3,667.58

Finding the Fourth Proportional to 7,828.65, 11,742.37 and 3,667.58

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Solution

The fourth proportional to 7,828.65, 11,742.37 and 3,667.58 is: 5,501.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.65 : 11,742.37 = 3,667.58 : x
  2. Step 2: Convert to fraction form
    7,828.65/11,742.37 = 3,667.58/x
  3. Step 3: Cross multiply
    7,828.65x = 11,742.37 × 3,667.58
  4. Step 4: Simplify right side
    7,828.65x = 43,066,057.52
  5. Step 5: Solve for x
    x = 43,066,057.52/7,828.65
  6. Step 6: Final answer
    x = 5,501.08

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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.