Home / 6,090.30-9,138.49-2,805.70

Finding the Fourth Proportional to 6,090.30, 9,138.49 and 2,805.70

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Solution

The fourth proportional to 6,090.30, 9,138.49 and 2,805.70 is: 4,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,090.30 : 9,138.49 = 2,805.70 : x
  2. Step 2: Convert to fraction form
    6,090.30/9,138.49 = 2,805.70/x
  3. Step 3: Cross multiply
    6,090.30x = 9,138.49 × 2,805.70
  4. Step 4: Simplify right side
    6,090.30x = 25,639,861.39
  5. Step 5: Solve for x
    x = 25,639,861.39/6,090.30
  6. Step 6: Final answer
    x = 4,209.95

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1.5x scale

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.