Home / 4,724.12-7,086.29-2,091.06

Finding the Fourth Proportional to 4,724.12, 7,086.29 and 2,091.06

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Solution

The fourth proportional to 4,724.12, 7,086.29 and 2,091.06 is: 3,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724.12 : 7,086.29 = 2,091.06 : x
  2. Step 2: Convert to fraction form
    4,724.12/7,086.29 = 2,091.06/x
  3. Step 3: Cross multiply
    4,724.12x = 7,086.29 × 2,091.06
  4. Step 4: Simplify right side
    4,724.12x = 14,817,847.11
  5. Step 5: Solve for x
    x = 14,817,847.11/4,724.12
  6. Step 6: Final answer
    x = 3,136.64

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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.