Home / 7,098-9,795.30-3,954.84

Finding the Fourth Proportional to 7,098, 9,795.30 and 3,954.84

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Solution

The fourth proportional to 7,098, 9,795.30 and 3,954.84 is: 5,457.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098 : 9,795.30 = 3,954.84 : x
  2. Step 2: Convert to fraction form
    7,098/9,795.30 = 3,954.84/x
  3. Step 3: Cross multiply
    7,098x = 9,795.30 × 3,954.84
  4. Step 4: Simplify right side
    7,098x = 38,738,844.25
  5. Step 5: Solve for x
    x = 38,738,844.25/7,098
  6. Step 6: Final answer
    x = 5,457.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.