Home / 6,290.47-9,435.77-1,907.93

Finding the Fourth Proportional to 6,290.47, 9,435.77 and 1,907.93

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Solution

The fourth proportional to 6,290.47, 9,435.77 and 1,907.93 is: 2,861.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.47 : 9,435.77 = 1,907.93 : x
  2. Step 2: Convert to fraction form
    6,290.47/9,435.77 = 1,907.93/x
  3. Step 3: Cross multiply
    6,290.47x = 9,435.77 × 1,907.93
  4. Step 4: Simplify right side
    6,290.47x = 18,002,777.96
  5. Step 5: Solve for x
    x = 18,002,777.96/6,290.47
  6. Step 6: Final answer
    x = 2,861.91

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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.