Home / 8,403.18-12,601.83-2,478.49

Finding the Fourth Proportional to 8,403.18, 12,601.83 and 2,478.49

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Solution

The fourth proportional to 8,403.18, 12,601.83 and 2,478.49 is: 3,716.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.18 : 12,601.83 = 2,478.49 : x
  2. Step 2: Convert to fraction form
    8,403.18/12,601.83 = 2,478.49/x
  3. Step 3: Cross multiply
    8,403.18x = 12,601.83 × 2,478.49
  4. Step 4: Simplify right side
    8,403.18x = 31,233,558.46
  5. Step 5: Solve for x
    x = 31,233,558.46/8,403.18
  6. Step 6: Final answer
    x = 3,716.87

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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.