Home / 4,272.37-6,409.26-1,310.74

Finding the Fourth Proportional to 4,272.37, 6,409.26 and 1,310.74

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Solution

The fourth proportional to 4,272.37, 6,409.26 and 1,310.74 is: 1,966.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.37 : 6,409.26 = 1,310.74 : x
  2. Step 2: Convert to fraction form
    4,272.37/6,409.26 = 1,310.74/x
  3. Step 3: Cross multiply
    4,272.37x = 6,409.26 × 1,310.74
  4. Step 4: Simplify right side
    4,272.37x = 8,400,873.45
  5. Step 5: Solve for x
    x = 8,400,873.45/4,272.37
  6. Step 6: Final answer
    x = 1,966.33

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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.