Home / 6,782.12-10,170.50-2,619.84

Finding the Fourth Proportional to 6,782.12, 10,170.50 and 2,619.84

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Solution

The fourth proportional to 6,782.12, 10,170.50 and 2,619.84 is: 3,928.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782.12 : 10,170.50 = 2,619.84 : x
  2. Step 2: Convert to fraction form
    6,782.12/10,170.50 = 2,619.84/x
  3. Step 3: Cross multiply
    6,782.12x = 10,170.50 × 2,619.84
  4. Step 4: Simplify right side
    6,782.12x = 26,645,082.72
  5. Step 5: Solve for x
    x = 26,645,082.72/6,782.12
  6. Step 6: Final answer
    x = 3,928.72

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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.