Home / 5,912.80-8,158.72-3,259.84

Finding the Fourth Proportional to 5,912.80, 8,158.72 and 3,259.84

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Solution

The fourth proportional to 5,912.80, 8,158.72 and 3,259.84 is: 4,498.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.80 : 8,158.72 = 3,259.84 : x
  2. Step 2: Convert to fraction form
    5,912.80/8,158.72 = 3,259.84/x
  3. Step 3: Cross multiply
    5,912.80x = 8,158.72 × 3,259.84
  4. Step 4: Simplify right side
    5,912.80x = 26,596,121.80
  5. Step 5: Solve for x
    x = 26,596,121.80/5,912.80
  6. Step 6: Final answer
    x = 4,498.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.