Home / 4,945.24-7,411.02-2,755

Finding the Fourth Proportional to 4,945.24, 7,411.02 and 2,755

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Solution

The fourth proportional to 4,945.24, 7,411.02 and 2,755 is: 4,128.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.24 : 7,411.02 = 2,755 : x
  2. Step 2: Convert to fraction form
    4,945.24/7,411.02 = 2,755/x
  3. Step 3: Cross multiply
    4,945.24x = 7,411.02 × 2,755
  4. Step 4: Simplify right side
    4,945.24x = 20,417,360.10
  5. Step 5: Solve for x
    x = 20,417,360.10/4,945.24
  6. Step 6: Final answer
    x = 4,128.69

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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.