Home / 4,905.31-7,356.85-1,395.24

Finding the Fourth Proportional to 4,905.31, 7,356.85 and 1,395.24

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Solution

The fourth proportional to 4,905.31, 7,356.85 and 1,395.24 is: 2,092.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.31 : 7,356.85 = 1,395.24 : x
  2. Step 2: Convert to fraction form
    4,905.31/7,356.85 = 1,395.24/x
  3. Step 3: Cross multiply
    4,905.31x = 7,356.85 × 1,395.24
  4. Step 4: Simplify right side
    4,905.31x = 10,264,554.59
  5. Step 5: Solve for x
    x = 10,264,554.59/4,905.31
  6. Step 6: Final answer
    x = 2,092.54

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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.