Home / 7,022-10,527.79-3,319.90

Finding the Fourth Proportional to 7,022, 10,527.79 and 3,319.90

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Solution

The fourth proportional to 7,022, 10,527.79 and 3,319.90 is: 4,977.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022 : 10,527.79 = 3,319.90 : x
  2. Step 2: Convert to fraction form
    7,022/10,527.79 = 3,319.90/x
  3. Step 3: Cross multiply
    7,022x = 10,527.79 × 3,319.90
  4. Step 4: Simplify right side
    7,022x = 34,951,210.02
  5. Step 5: Solve for x
    x = 34,951,210.02/7,022
  6. Step 6: Final answer
    x = 4,977.39

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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.