Home / 7,625.81-11,439.96-2,359.60

Finding the Fourth Proportional to 7,625.81, 11,439.96 and 2,359.60

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Solution

The fourth proportional to 7,625.81, 11,439.96 and 2,359.60 is: 3,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.81 : 11,439.96 = 2,359.60 : x
  2. Step 2: Convert to fraction form
    7,625.81/11,439.96 = 2,359.60/x
  3. Step 3: Cross multiply
    7,625.81x = 11,439.96 × 2,359.60
  4. Step 4: Simplify right side
    7,625.81x = 26,993,729.62
  5. Step 5: Solve for x
    x = 26,993,729.62/7,625.81
  6. Step 6: Final answer
    x = 3,539.79

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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.