Home / 4,274.74-6,409.53-1,808.19

Finding the Fourth Proportional to 4,274.74, 6,409.53 and 1,808.19

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Solution

The fourth proportional to 4,274.74, 6,409.53 and 1,808.19 is: 2,711.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.74 : 6,409.53 = 1,808.19 : x
  2. Step 2: Convert to fraction form
    4,274.74/6,409.53 = 1,808.19/x
  3. Step 3: Cross multiply
    4,274.74x = 6,409.53 × 1,808.19
  4. Step 4: Simplify right side
    4,274.74x = 11,589,648.05
  5. Step 5: Solve for x
    x = 11,589,648.05/4,274.74
  6. Step 6: Final answer
    x = 2,711.19

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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.