Home / 4,851.96-7,279.76-2,905.53

Finding the Fourth Proportional to 4,851.96, 7,279.76 and 2,905.53

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Solution

The fourth proportional to 4,851.96, 7,279.76 and 2,905.53 is: 4,359.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.96 : 7,279.76 = 2,905.53 : x
  2. Step 2: Convert to fraction form
    4,851.96/7,279.76 = 2,905.53/x
  3. Step 3: Cross multiply
    4,851.96x = 7,279.76 × 2,905.53
  4. Step 4: Simplify right side
    4,851.96x = 21,151,561.07
  5. Step 5: Solve for x
    x = 21,151,561.07/4,851.96
  6. Step 6: Final answer
    x = 4,359.38

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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.