Home / 4,272.49-6,412.84-2,082.75

Finding the Fourth Proportional to 4,272.49, 6,412.84 and 2,082.75

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Solution

The fourth proportional to 4,272.49, 6,412.84 and 2,082.75 is: 3,126.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.49 : 6,412.84 = 2,082.75 : x
  2. Step 2: Convert to fraction form
    4,272.49/6,412.84 = 2,082.75/x
  3. Step 3: Cross multiply
    4,272.49x = 6,412.84 × 2,082.75
  4. Step 4: Simplify right side
    4,272.49x = 13,356,367.36
  5. Step 5: Solve for x
    x = 13,356,367.36/4,272.49
  6. Step 6: Final answer
    x = 3,126.13

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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.