Home / 9,276.40-13,905.24-4,081.36

Finding the Fourth Proportional to 9,276.40, 13,905.24 and 4,081.36

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Solution

The fourth proportional to 9,276.40, 13,905.24 and 4,081.36 is: 6,117.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,276.40 : 13,905.24 = 4,081.36 : x
  2. Step 2: Convert to fraction form
    9,276.40/13,905.24 = 4,081.36/x
  3. Step 3: Cross multiply
    9,276.40x = 13,905.24 × 4,081.36
  4. Step 4: Simplify right side
    9,276.40x = 56,752,290.33
  5. Step 5: Solve for x
    x = 56,752,290.33/9,276.40
  6. Step 6: Final answer
    x = 6,117.92

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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.