Home / 7,129.06-10,697.64-3,842.08

Finding the Fourth Proportional to 7,129.06, 10,697.64 and 3,842.08

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Solution

The fourth proportional to 7,129.06, 10,697.64 and 3,842.08 is: 5,765.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129.06 : 10,697.64 = 3,842.08 : x
  2. Step 2: Convert to fraction form
    7,129.06/10,697.64 = 3,842.08/x
  3. Step 3: Cross multiply
    7,129.06x = 10,697.64 × 3,842.08
  4. Step 4: Simplify right side
    7,129.06x = 41,101,188.69
  5. Step 5: Solve for x
    x = 41,101,188.69/7,129.06
  6. Step 6: Final answer
    x = 5,765.30

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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.