Home / 7,735.72-10,668.70-5,214.51

Finding the Fourth Proportional to 7,735.72, 10,668.70 and 5,214.51

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Solution

The fourth proportional to 7,735.72, 10,668.70 and 5,214.51 is: 7,191.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,735.72 : 10,668.70 = 5,214.51 : x
  2. Step 2: Convert to fraction form
    7,735.72/10,668.70 = 5,214.51/x
  3. Step 3: Cross multiply
    7,735.72x = 10,668.70 × 5,214.51
  4. Step 4: Simplify right side
    7,735.72x = 55,632,042.84
  5. Step 5: Solve for x
    x = 55,632,042.84/7,735.72
  6. Step 6: Final answer
    x = 7,191.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.