Home / 4,905.87-7,346.50-2,930.28

Finding the Fourth Proportional to 4,905.87, 7,346.50 and 2,930.28

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Solution

The fourth proportional to 4,905.87, 7,346.50 and 2,930.28 is: 4,388.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.87 : 7,346.50 = 2,930.28 : x
  2. Step 2: Convert to fraction form
    4,905.87/7,346.50 = 2,930.28/x
  3. Step 3: Cross multiply
    4,905.87x = 7,346.50 × 2,930.28
  4. Step 4: Simplify right side
    4,905.87x = 21,527,267.14
  5. Step 5: Solve for x
    x = 21,527,267.14/4,905.87
  6. Step 6: Final answer
    x = 4,388.07

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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.