Home / 8,749.80-13,110.94-5,457.96

Finding the Fourth Proportional to 8,749.80, 13,110.94 and 5,457.96

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Solution

The fourth proportional to 8,749.80, 13,110.94 and 5,457.96 is: 8,178.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.80 : 13,110.94 = 5,457.96 : x
  2. Step 2: Convert to fraction form
    8,749.80/13,110.94 = 5,457.96/x
  3. Step 3: Cross multiply
    8,749.80x = 13,110.94 × 5,457.96
  4. Step 4: Simplify right side
    8,749.80x = 71,558,986.08
  5. Step 5: Solve for x
    x = 71,558,986.08/8,749.80
  6. Step 6: Final answer
    x = 8,178.36

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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.