Home / 4,749.23-7,117.54-2,668.21

Finding the Fourth Proportional to 4,749.23, 7,117.54 and 2,668.21

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Solution

The fourth proportional to 4,749.23, 7,117.54 and 2,668.21 is: 3,998.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.23 : 7,117.54 = 2,668.21 : x
  2. Step 2: Convert to fraction form
    4,749.23/7,117.54 = 2,668.21/x
  3. Step 3: Cross multiply
    4,749.23x = 7,117.54 × 2,668.21
  4. Step 4: Simplify right side
    4,749.23x = 18,991,066.94
  5. Step 5: Solve for x
    x = 18,991,066.94/4,749.23
  6. Step 6: Final answer
    x = 3,998.77

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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.