Home / 7,277.89-10,916.76-3,114.37

Finding the Fourth Proportional to 7,277.89, 10,916.76 and 3,114.37

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Solution

The fourth proportional to 7,277.89, 10,916.76 and 3,114.37 is: 4,671.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.89 : 10,916.76 = 3,114.37 : x
  2. Step 2: Convert to fraction form
    7,277.89/10,916.76 = 3,114.37/x
  3. Step 3: Cross multiply
    7,277.89x = 10,916.76 × 3,114.37
  4. Step 4: Simplify right side
    7,277.89x = 33,998,829.84
  5. Step 5: Solve for x
    x = 33,998,829.84/7,277.89
  6. Step 6: Final answer
    x = 4,671.52

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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.