Home / 4,724.25-7,087.29-2,647.20

Finding the Fourth Proportional to 4,724.25, 7,087.29 and 2,647.20

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Solution

The fourth proportional to 4,724.25, 7,087.29 and 2,647.20 is: 3,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724.25 : 7,087.29 = 2,647.20 : x
  2. Step 2: Convert to fraction form
    4,724.25/7,087.29 = 2,647.20/x
  3. Step 3: Cross multiply
    4,724.25x = 7,087.29 × 2,647.20
  4. Step 4: Simplify right side
    4,724.25x = 18,761,474.09
  5. Step 5: Solve for x
    x = 18,761,474.09/4,724.25
  6. Step 6: Final answer
    x = 3,971.31

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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.