Home / 7,900.20-11,848.14-2,969.46

Finding the Fourth Proportional to 7,900.20, 11,848.14 and 2,969.46

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Solution

The fourth proportional to 7,900.20, 11,848.14 and 2,969.46 is: 4,453.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.20 : 11,848.14 = 2,969.46 : x
  2. Step 2: Convert to fraction form
    7,900.20/11,848.14 = 2,969.46/x
  3. Step 3: Cross multiply
    7,900.20x = 11,848.14 × 2,969.46
  4. Step 4: Simplify right side
    7,900.20x = 35,182,577.80
  5. Step 5: Solve for x
    x = 35,182,577.80/7,900.20
  6. Step 6: Final answer
    x = 4,453.38

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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.