Home / 4,272.60-6,409.10-1,351.13

Finding the Fourth Proportional to 4,272.60, 6,409.10 and 1,351.13

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Solution

The fourth proportional to 4,272.60, 6,409.10 and 1,351.13 is: 2,026.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.60 : 6,409.10 = 1,351.13 : x
  2. Step 2: Convert to fraction form
    4,272.60/6,409.10 = 1,351.13/x
  3. Step 3: Cross multiply
    4,272.60x = 6,409.10 × 1,351.13
  4. Step 4: Simplify right side
    4,272.60x = 8,659,527.28
  5. Step 5: Solve for x
    x = 8,659,527.28/4,272.60
  6. Step 6: Final answer
    x = 2,026.76

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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.