Home / 7,668.45-10,578.51-5,150.84

Finding the Fourth Proportional to 7,668.45, 10,578.51 and 5,150.84

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Solution

The fourth proportional to 7,668.45, 10,578.51 and 5,150.84 is: 7,105.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668.45 : 10,578.51 = 5,150.84 : x
  2. Step 2: Convert to fraction form
    7,668.45/10,578.51 = 5,150.84/x
  3. Step 3: Cross multiply
    7,668.45x = 10,578.51 × 5,150.84
  4. Step 4: Simplify right side
    7,668.45x = 54,488,159.56
  5. Step 5: Solve for x
    x = 54,488,159.56/7,668.45
  6. Step 6: Final answer
    x = 7,105.50

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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.