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Finding the Fourth Proportional to 7,205.03, 10,810.73 and 3,047.91

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Solution

The fourth proportional to 7,205.03, 10,810.73 and 3,047.91 is: 4,573.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205.03 : 10,810.73 = 3,047.91 : x
  2. Step 2: Convert to fraction form
    7,205.03/10,810.73 = 3,047.91/x
  3. Step 3: Cross multiply
    7,205.03x = 10,810.73 × 3,047.91
  4. Step 4: Simplify right side
    7,205.03x = 32,950,116.83
  5. Step 5: Solve for x
    x = 32,950,116.83/7,205.03
  6. Step 6: Final answer
    x = 4,573.21

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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.