Home / 6,481.60-9,723.95-2,099.06

Finding the Fourth Proportional to 6,481.60, 9,723.95 and 2,099.06

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Solution

The fourth proportional to 6,481.60, 9,723.95 and 2,099.06 is: 3,149.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481.60 : 9,723.95 = 2,099.06 : x
  2. Step 2: Convert to fraction form
    6,481.60/9,723.95 = 2,099.06/x
  3. Step 3: Cross multiply
    6,481.60x = 9,723.95 × 2,099.06
  4. Step 4: Simplify right side
    6,481.60x = 20,411,154.49
  5. Step 5: Solve for x
    x = 20,411,154.49/6,481.60
  6. Step 6: Final answer
    x = 3,149.09

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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.