Home / 7,270.52-10,905.71-3,106.98

Finding the Fourth Proportional to 7,270.52, 10,905.71 and 3,106.98

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Solution

The fourth proportional to 7,270.52, 10,905.71 and 3,106.98 is: 4,660.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.52 : 10,905.71 = 3,106.98 : x
  2. Step 2: Convert to fraction form
    7,270.52/10,905.71 = 3,106.98/x
  3. Step 3: Cross multiply
    7,270.52x = 10,905.71 × 3,106.98
  4. Step 4: Simplify right side
    7,270.52x = 33,883,807.32
  5. Step 5: Solve for x
    x = 33,883,807.32/7,270.52
  6. Step 6: Final answer
    x = 4,660.44

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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.