Home / 5,303.29-7,318.56-2,945.43

Finding the Fourth Proportional to 5,303.29, 7,318.56 and 2,945.43

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Solution

The fourth proportional to 5,303.29, 7,318.56 and 2,945.43 is: 4,064.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.29 : 7,318.56 = 2,945.43 : x
  2. Step 2: Convert to fraction form
    5,303.29/7,318.56 = 2,945.43/x
  3. Step 3: Cross multiply
    5,303.29x = 7,318.56 × 2,945.43
  4. Step 4: Simplify right side
    5,303.29x = 21,556,324.48
  5. Step 5: Solve for x
    x = 21,556,324.48/5,303.29
  6. Step 6: Final answer
    x = 4,064.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.