Home / 4,963.45-7,444.31-1,405.81

Finding the Fourth Proportional to 4,963.45, 7,444.31 and 1,405.81

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Solution

The fourth proportional to 4,963.45, 7,444.31 and 1,405.81 is: 2,108.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,963.45 : 7,444.31 = 1,405.81 : x
  2. Step 2: Convert to fraction form
    4,963.45/7,444.31 = 1,405.81/x
  3. Step 3: Cross multiply
    4,963.45x = 7,444.31 × 1,405.81
  4. Step 4: Simplify right side
    4,963.45x = 10,465,285.44
  5. Step 5: Solve for x
    x = 10,465,285.44/4,963.45
  6. Step 6: Final answer
    x = 2,108.47

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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.