Home / 4,930.48-7,390.80-2,328.80

Finding the Fourth Proportional to 4,930.48, 7,390.80 and 2,328.80

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Solution

The fourth proportional to 4,930.48, 7,390.80 and 2,328.80 is: 3,490.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.48 : 7,390.80 = 2,328.80 : x
  2. Step 2: Convert to fraction form
    4,930.48/7,390.80 = 2,328.80/x
  3. Step 3: Cross multiply
    4,930.48x = 7,390.80 × 2,328.80
  4. Step 4: Simplify right side
    4,930.48x = 17,211,695.04
  5. Step 5: Solve for x
    x = 17,211,695.04/4,930.48
  6. Step 6: Final answer
    x = 3,490.88

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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.