Home / 8,783.23-13,163.15-3,231.44

Finding the Fourth Proportional to 8,783.23, 13,163.15 and 3,231.44

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Solution

The fourth proportional to 8,783.23, 13,163.15 and 3,231.44 is: 4,842.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.23 : 13,163.15 = 3,231.44 : x
  2. Step 2: Convert to fraction form
    8,783.23/13,163.15 = 3,231.44/x
  3. Step 3: Cross multiply
    8,783.23x = 13,163.15 × 3,231.44
  4. Step 4: Simplify right side
    8,783.23x = 42,535,962.34
  5. Step 5: Solve for x
    x = 42,535,962.34/8,783.23
  6. Step 6: Final answer
    x = 4,842.86

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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.