Home / 3,645.14-5,423.94-3,632.84

Finding the Fourth Proportional to 3,645.14, 5,423.94 and 3,632.84

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Solution

The fourth proportional to 3,645.14, 5,423.94 and 3,632.84 is: 5,405.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.14 : 5,423.94 = 3,632.84 : x
  2. Step 2: Convert to fraction form
    3,645.14/5,423.94 = 3,632.84/x
  3. Step 3: Cross multiply
    3,645.14x = 5,423.94 × 3,632.84
  4. Step 4: Simplify right side
    3,645.14x = 19,704,279.07
  5. Step 5: Solve for x
    x = 19,704,279.07/3,645.14
  6. Step 6: Final answer
    x = 5,405.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.