Home / 7,394.80-11,086.31-4,271.26

Finding the Fourth Proportional to 7,394.80, 11,086.31 and 4,271.26

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Solution

The fourth proportional to 7,394.80, 11,086.31 and 4,271.26 is: 6,403.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,394.80 : 11,086.31 = 4,271.26 : x
  2. Step 2: Convert to fraction form
    7,394.80/11,086.31 = 4,271.26/x
  3. Step 3: Cross multiply
    7,394.80x = 11,086.31 × 4,271.26
  4. Step 4: Simplify right side
    7,394.80x = 47,352,512.45
  5. Step 5: Solve for x
    x = 47,352,512.45/7,394.80
  6. Step 6: Final answer
    x = 6,403.49

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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.