Home / 7,842.06-11,763.50-3,459.56

Finding the Fourth Proportional to 7,842.06, 11,763.50 and 3,459.56

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Solution

The fourth proportional to 7,842.06, 11,763.50 and 3,459.56 is: 5,189.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,842.06 : 11,763.50 = 3,459.56 : x
  2. Step 2: Convert to fraction form
    7,842.06/11,763.50 = 3,459.56/x
  3. Step 3: Cross multiply
    7,842.06x = 11,763.50 × 3,459.56
  4. Step 4: Simplify right side
    7,842.06x = 40,696,457.94
  5. Step 5: Solve for x
    x = 40,696,457.94/7,842.06
  6. Step 6: Final answer
    x = 5,189.51

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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.