Home / 9,276.78-13,905.44-4,342.26

Finding the Fourth Proportional to 9,276.78, 13,905.44 and 4,342.26

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Solution

The fourth proportional to 9,276.78, 13,905.44 and 4,342.26 is: 6,508.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,276.78 : 13,905.44 = 4,342.26 : x
  2. Step 2: Convert to fraction form
    9,276.78/13,905.44 = 4,342.26/x
  3. Step 3: Cross multiply
    9,276.78x = 13,905.44 × 4,342.26
  4. Step 4: Simplify right side
    9,276.78x = 60,381,035.89
  5. Step 5: Solve for x
    x = 60,381,035.89/9,276.78
  6. Step 6: Final answer
    x = 6,508.84

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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.