Home / 5,112.96-7,668.24-1,650.96

Finding the Fourth Proportional to 5,112.96, 7,668.24 and 1,650.96

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Solution

The fourth proportional to 5,112.96, 7,668.24 and 1,650.96 is: 2,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.96 : 7,668.24 = 1,650.96 : x
  2. Step 2: Convert to fraction form
    5,112.96/7,668.24 = 1,650.96/x
  3. Step 3: Cross multiply
    5,112.96x = 7,668.24 × 1,650.96
  4. Step 4: Simplify right side
    5,112.96x = 12,659,957.51
  5. Step 5: Solve for x
    x = 12,659,957.51/5,112.96
  6. Step 6: Final answer
    x = 2,476.05

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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.