Home / 6,290.45-9,435.69-1,907.94

Finding the Fourth Proportional to 6,290.45, 9,435.69 and 1,907.94

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Solution

The fourth proportional to 6,290.45, 9,435.69 and 1,907.94 is: 2,861.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.45 : 9,435.69 = 1,907.94 : x
  2. Step 2: Convert to fraction form
    6,290.45/9,435.69 = 1,907.94/x
  3. Step 3: Cross multiply
    6,290.45x = 9,435.69 × 1,907.94
  4. Step 4: Simplify right side
    6,290.45x = 18,002,730.38
  5. Step 5: Solve for x
    x = 18,002,730.38/6,290.45
  6. Step 6: Final answer
    x = 2,861.92

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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.