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Finding the Fourth Proportional to 7,262.03, 10,897.90 and 2,645.03

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Solution

The fourth proportional to 7,262.03, 10,897.90 and 2,645.03 is: 3,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262.03 : 10,897.90 = 2,645.03 : x
  2. Step 2: Convert to fraction form
    7,262.03/10,897.90 = 2,645.03/x
  3. Step 3: Cross multiply
    7,262.03x = 10,897.90 × 2,645.03
  4. Step 4: Simplify right side
    7,262.03x = 28,825,293.07
  5. Step 5: Solve for x
    x = 28,825,293.07/7,262.03
  6. Step 6: Final answer
    x = 3,969.31

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1.5x scale

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.