Home / 8,230.68-12,345.73-3,298.99

Finding the Fourth Proportional to 8,230.68, 12,345.73 and 3,298.99

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Solution

The fourth proportional to 8,230.68, 12,345.73 and 3,298.99 is: 4,948.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230.68 : 12,345.73 = 3,298.99 : x
  2. Step 2: Convert to fraction form
    8,230.68/12,345.73 = 3,298.99/x
  3. Step 3: Cross multiply
    8,230.68x = 12,345.73 × 3,298.99
  4. Step 4: Simplify right side
    8,230.68x = 40,728,439.81
  5. Step 5: Solve for x
    x = 40,728,439.81/8,230.68
  6. Step 6: Final answer
    x = 4,948.37

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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.