Home / 6,090.30-9,135.72-1,930.41

Finding the Fourth Proportional to 6,090.30, 9,135.72 and 1,930.41

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Solution

The fourth proportional to 6,090.30, 9,135.72 and 1,930.41 is: 2,895.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,090.30 : 9,135.72 = 1,930.41 : x
  2. Step 2: Convert to fraction form
    6,090.30/9,135.72 = 1,930.41/x
  3. Step 3: Cross multiply
    6,090.30x = 9,135.72 × 1,930.41
  4. Step 4: Simplify right side
    6,090.30x = 17,635,685.25
  5. Step 5: Solve for x
    x = 17,635,685.25/6,090.30
  6. Step 6: Final answer
    x = 2,895.70

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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.