Home / 6,290.07-9,436.45-1,907.88

Finding the Fourth Proportional to 6,290.07, 9,436.45 and 1,907.88

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Solution

The fourth proportional to 6,290.07, 9,436.45 and 1,907.88 is: 2,862.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.07 : 9,436.45 = 1,907.88 : x
  2. Step 2: Convert to fraction form
    6,290.07/9,436.45 = 1,907.88/x
  3. Step 3: Cross multiply
    6,290.07x = 9,436.45 × 1,907.88
  4. Step 4: Simplify right side
    6,290.07x = 18,003,614.23
  5. Step 5: Solve for x
    x = 18,003,614.23/6,290.07
  6. Step 6: Final answer
    x = 2,862.23

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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.