Home / 6,319.80-9,480.82-2,158.84

Finding the Fourth Proportional to 6,319.80, 9,480.82 and 2,158.84

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Solution

The fourth proportional to 6,319.80, 9,480.82 and 2,158.84 is: 3,238.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.80 : 9,480.82 = 2,158.84 : x
  2. Step 2: Convert to fraction form
    6,319.80/9,480.82 = 2,158.84/x
  3. Step 3: Cross multiply
    6,319.80x = 9,480.82 × 2,158.84
  4. Step 4: Simplify right side
    6,319.80x = 20,467,526.04
  5. Step 5: Solve for x
    x = 20,467,526.04/6,319.80
  6. Step 6: Final answer
    x = 3,238.64

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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.