Home / 7,556.75-10,429.97-4,200.71

Finding the Fourth Proportional to 7,556.75, 10,429.97 and 4,200.71

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Solution

The fourth proportional to 7,556.75, 10,429.97 and 4,200.71 is: 5,797.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,556.75 : 10,429.97 = 4,200.71 : x
  2. Step 2: Convert to fraction form
    7,556.75/10,429.97 = 4,200.71/x
  3. Step 3: Cross multiply
    7,556.75x = 10,429.97 × 4,200.71
  4. Step 4: Simplify right side
    7,556.75x = 43,813,206.13
  5. Step 5: Solve for x
    x = 43,813,206.13/7,556.75
  6. Step 6: Final answer
    x = 5,797.89

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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.