Home / 4,930-7,388.46-2,739.76

Finding the Fourth Proportional to 4,930, 7,388.46 and 2,739.76

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Solution

The fourth proportional to 4,930, 7,388.46 and 2,739.76 is: 4,106.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930 : 7,388.46 = 2,739.76 : x
  2. Step 2: Convert to fraction form
    4,930/7,388.46 = 2,739.76/x
  3. Step 3: Cross multiply
    4,930x = 7,388.46 × 2,739.76
  4. Step 4: Simplify right side
    4,930x = 20,242,607.17
  5. Step 5: Solve for x
    x = 20,242,607.17/4,930
  6. Step 6: Final answer
    x = 4,106.01

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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.