Home / 5,456.57-7,532.39-3,783.51

Finding the Fourth Proportional to 5,456.57, 7,532.39 and 3,783.51

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Solution

The fourth proportional to 5,456.57, 7,532.39 and 3,783.51 is: 5,222.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.57 : 7,532.39 = 3,783.51 : x
  2. Step 2: Convert to fraction form
    5,456.57/7,532.39 = 3,783.51/x
  3. Step 3: Cross multiply
    5,456.57x = 7,532.39 × 3,783.51
  4. Step 4: Simplify right side
    5,456.57x = 28,498,882.35
  5. Step 5: Solve for x
    x = 28,498,882.35/5,456.57
  6. Step 6: Final answer
    x = 5,222.86

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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.