Home / 4,945.32-7,417.98-3,389.31

Finding the Fourth Proportional to 4,945.32, 7,417.98 and 3,389.31

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Solution

The fourth proportional to 4,945.32, 7,417.98 and 3,389.31 is: 5,083.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.32 : 7,417.98 = 3,389.31 : x
  2. Step 2: Convert to fraction form
    4,945.32/7,417.98 = 3,389.31/x
  3. Step 3: Cross multiply
    4,945.32x = 7,417.98 × 3,389.31
  4. Step 4: Simplify right side
    4,945.32x = 25,141,833.79
  5. Step 5: Solve for x
    x = 25,141,833.79/4,945.32
  6. Step 6: Final answer
    x = 5,083.97

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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.