Home / 7,555.11-10,425.49-4,197.75

Finding the Fourth Proportional to 7,555.11, 10,425.49 and 4,197.75

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Solution

The fourth proportional to 7,555.11, 10,425.49 and 4,197.75 is: 5,792.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.11 : 10,425.49 = 4,197.75 : x
  2. Step 2: Convert to fraction form
    7,555.11/10,425.49 = 4,197.75/x
  3. Step 3: Cross multiply
    7,555.11x = 10,425.49 × 4,197.75
  4. Step 4: Simplify right side
    7,555.11x = 43,763,600.65
  5. Step 5: Solve for x
    x = 43,763,600.65/7,555.11
  6. Step 6: Final answer
    x = 5,792.58

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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.