Home / 4,699.38-7,045.29-2,720.28

Finding the Fourth Proportional to 4,699.38, 7,045.29 and 2,720.28

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Solution

The fourth proportional to 4,699.38, 7,045.29 and 2,720.28 is: 4,078.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.38 : 7,045.29 = 2,720.28 : x
  2. Step 2: Convert to fraction form
    4,699.38/7,045.29 = 2,720.28/x
  3. Step 3: Cross multiply
    4,699.38x = 7,045.29 × 2,720.28
  4. Step 4: Simplify right side
    4,699.38x = 19,165,161.48
  5. Step 5: Solve for x
    x = 19,165,161.48/4,699.38
  6. Step 6: Final answer
    x = 4,078.23

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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.