Home / 8,539.38-12,808.83-4,651.38

Finding the Fourth Proportional to 8,539.38, 12,808.83 and 4,651.38

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Solution

The fourth proportional to 8,539.38, 12,808.83 and 4,651.38 is: 6,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.38 : 12,808.83 = 4,651.38 : x
  2. Step 2: Convert to fraction form
    8,539.38/12,808.83 = 4,651.38/x
  3. Step 3: Cross multiply
    8,539.38x = 12,808.83 × 4,651.38
  4. Step 4: Simplify right side
    8,539.38x = 59,578,735.69
  5. Step 5: Solve for x
    x = 59,578,735.69/8,539.38
  6. Step 6: Final answer
    x = 6,976.94

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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.