Home / 4,609.47-6,359.40-2,840.43

Finding the Fourth Proportional to 4,609.47, 6,359.40 and 2,840.43

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Solution

The fourth proportional to 4,609.47, 6,359.40 and 2,840.43 is: 3,918.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609.47 : 6,359.40 = 2,840.43 : x
  2. Step 2: Convert to fraction form
    4,609.47/6,359.40 = 2,840.43/x
  3. Step 3: Cross multiply
    4,609.47x = 6,359.40 × 2,840.43
  4. Step 4: Simplify right side
    4,609.47x = 18,063,430.54
  5. Step 5: Solve for x
    x = 18,063,430.54/4,609.47
  6. Step 6: Final answer
    x = 3,918.77

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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.