Home / 8,619.72-11,895.93-5,083.62

Finding the Fourth Proportional to 8,619.72, 11,895.93 and 5,083.62

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Solution

The fourth proportional to 8,619.72, 11,895.93 and 5,083.62 is: 7,015.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.72 : 11,895.93 = 5,083.62 : x
  2. Step 2: Convert to fraction form
    8,619.72/11,895.93 = 5,083.62/x
  3. Step 3: Cross multiply
    8,619.72x = 11,895.93 × 5,083.62
  4. Step 4: Simplify right side
    8,619.72x = 60,474,387.67
  5. Step 5: Solve for x
    x = 60,474,387.67/8,619.72
  6. Step 6: Final answer
    x = 7,015.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.