Home / 7,899.85-11,849.73-2,056.45

Finding the Fourth Proportional to 7,899.85, 11,849.73 and 2,056.45

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Solution

The fourth proportional to 7,899.85, 11,849.73 and 2,056.45 is: 3,084.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.85 : 11,849.73 = 2,056.45 : x
  2. Step 2: Convert to fraction form
    7,899.85/11,849.73 = 2,056.45/x
  3. Step 3: Cross multiply
    7,899.85x = 11,849.73 × 2,056.45
  4. Step 4: Simplify right side
    7,899.85x = 24,368,318.01
  5. Step 5: Solve for x
    x = 24,368,318.01/7,899.85
  6. Step 6: Final answer
    x = 3,084.66

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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.