Home / 4,814.50-7,221.75-1,166.50

Finding the Fourth Proportional to 4,814.50, 7,221.75 and 1,166.50

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Solution

The fourth proportional to 4,814.50, 7,221.75 and 1,166.50 is: 1,749.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.50 : 7,221.75 = 1,166.50 : x
  2. Step 2: Convert to fraction form
    4,814.50/7,221.75 = 1,166.50/x
  3. Step 3: Cross multiply
    4,814.50x = 7,221.75 × 1,166.50
  4. Step 4: Simplify right side
    4,814.50x = 8,424,171.38
  5. Step 5: Solve for x
    x = 8,424,171.38/4,814.50
  6. Step 6: Final answer
    x = 1,749.75

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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.