Home / 4,891.10-7,328.14-2,939.00

Finding the Fourth Proportional to 4,891.10, 7,328.14 and 2,939.00

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Solution

The fourth proportional to 4,891.10, 7,328.14 and 2,939.00 is: 4,403.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.10 : 7,328.14 = 2,939.00 : x
  2. Step 2: Convert to fraction form
    4,891.10/7,328.14 = 2,939.00/x
  3. Step 3: Cross multiply
    4,891.10x = 7,328.14 × 2,939.00
  4. Step 4: Simplify right side
    4,891.10x = 21,537,359.47
  5. Step 5: Solve for x
    x = 21,537,359.47/4,891.10
  6. Step 6: Final answer
    x = 4,403.38

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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.