Home / 4,723.81-7,084.90-1,260.25

Finding the Fourth Proportional to 4,723.81, 7,084.90 and 1,260.25

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Solution

The fourth proportional to 4,723.81, 7,084.90 and 1,260.25 is: 1,890.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,723.81 : 7,084.90 = 1,260.25 : x
  2. Step 2: Convert to fraction form
    4,723.81/7,084.90 = 1,260.25/x
  3. Step 3: Cross multiply
    4,723.81x = 7,084.90 × 1,260.25
  4. Step 4: Simplify right side
    4,723.81x = 8,928,745.23
  5. Step 5: Solve for x
    x = 8,928,745.23/4,723.81
  6. Step 6: Final answer
    x = 1,890.16

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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.