Home / 8,272.37-12,403.25-5,457.95

Finding the Fourth Proportional to 8,272.37, 12,403.25 and 5,457.95

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Solution

The fourth proportional to 8,272.37, 12,403.25 and 5,457.95 is: 8,183.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.37 : 12,403.25 = 5,457.95 : x
  2. Step 2: Convert to fraction form
    8,272.37/12,403.25 = 5,457.95/x
  3. Step 3: Cross multiply
    8,272.37x = 12,403.25 × 5,457.95
  4. Step 4: Simplify right side
    8,272.37x = 67,696,322.06
  5. Step 5: Solve for x
    x = 67,696,322.06/8,272.37
  6. Step 6: Final answer
    x = 8,183.42

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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.