Home / 7,290.80-10,935.62-2,025.90

Finding the Fourth Proportional to 7,290.80, 10,935.62 and 2,025.90

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Solution

The fourth proportional to 7,290.80, 10,935.62 and 2,025.90 is: 3,038.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.80 : 10,935.62 = 2,025.90 : x
  2. Step 2: Convert to fraction form
    7,290.80/10,935.62 = 2,025.90/x
  3. Step 3: Cross multiply
    7,290.80x = 10,935.62 × 2,025.90
  4. Step 4: Simplify right side
    7,290.80x = 22,154,462.43
  5. Step 5: Solve for x
    x = 22,154,462.43/7,290.80
  6. Step 6: Final answer
    x = 3,038.69

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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.